Gentoo update for Samba
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 33 |
| CVE-ID | CVE-2007-4559 CVE-2016-2124 CVE-2020-17049 CVE-2020-25717 CVE-2020-25718 CVE-2020-25719 CVE-2020-25721 CVE-2020-25722 CVE-2021-20251 CVE-2021-20316 CVE-2021-23192 CVE-2021-3670 CVE-2021-3738 CVE-2021-44141 CVE-2021-44142 CVE-2022-0336 CVE-2022-1615 CVE-2022-2031 CVE-2022-32742 CVE-2022-32743 CVE-2022-32744 CVE-2022-32745 CVE-2022-32746 CVE-2022-3437 CVE-2022-3592 CVE-2022-37966 CVE-2022-37967 CVE-2022-38023 CVE-2022-42898 CVE-2022-45141 CVE-2023-0225 CVE-2023-0614 CVE-2023-0922 |
| CWE-ID | CWE-22 CWE-284 CWE-254 CWE-264 CWE-362 CWE-287 CWE-20 CWE-399 CWE-416 CWE-59 CWE-787 CWE-345 CWE-330 CWE-401 CWE-276 CWE-835 CWE-122 CWE-61 CWE-190 CWE-327 CWE-319 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #15 is available. |
| Vulnerable software Subscribe |
Gentoo Linux Operating systems & Components / Operating system net-fs/samba Operating systems & Components / Operating system package or component |
| Vendor | Gentoo |
Security Bulletin
This security bulletin contains information about 33 vulnerabilities.
1) Path traversal
EUVDB-ID: #VU67583
Risk: High
CVSSv3.1: 8.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2007-4559
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The
vulnerability exists due to improper validation of filenames in the
tarfile module in Python. A remote attacker can
create a specially crafted archive with symbolic links inside or
filenames that contain directory traversal characters (e.g. "..") and
overwrite arbitrary files on the system.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
2) Improper access control
EUVDB-ID: #VU58098
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-2124
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to SMB1 client connections can be downgraded to plaintext authentication. A remote attacker can perform a man-in-the-middle attack and downgrade a negotiated SMB1 client connection and its capabitilities.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Security Features
EUVDB-ID: #VU48269
Risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-17049
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to security feature bypass issue in Kerberos. A remote administrator can bypass authentication process and gain unauthorized access to the application.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU58097
Risk: Medium
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25717
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the Windows Active Directory (AD) domains have by default a feature to allow users to create computer accounts. A remote authenticated attacker can create such account with elevated privileges on the system.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU58096
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25718
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to Samba AD DC does not correctly sandbox Kerberos tickets issued by an RODC, which leads to security restrictions bypass and privilege escalation.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Race condition
EUVDB-ID: #VU58095
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25719
Exploit availability: No
DescriptionThe vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to a race condition. A remote administrator can exploit the race and escalate privileges on the system.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
7) Improper Authentication
EUVDB-ID: #VU58094
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25721
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
8) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU58093
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25722
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
9) Race condition
EUVDB-ID: #VU71486
Risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20251
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a brute-force attack.
The vulnerability exists due to a race condition in Samba when incrementing bad password attempts. Each connection to Samba gets a separate process, and each process loads, increments, and saves the bad password count without any coordination. A remote attacker can perform a brute-force attack using multiple threats and bypass imposed limits on the number of allowed incorrect passwords.Mitigation
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
10) Race condition
EUVDB-ID: #VU78991
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20316
Exploit availability: No
DescriptionThe vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to a race condition. A remote user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
11) Input validation error
EUVDB-ID: #VU58091
Risk: Medium
CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23192
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the DCE/RPC fragment injection issue. A remote attacker can replace subsequent fragments in requests with their own data and alter the server behavior.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
12) Resource management error
EUVDB-ID: #VU66202
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3670
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to Samba AD DC LDAP does not honor the MaxQueryDuration option when handling LDAP requests. A remote user can execute heavy queries and perform a denial of service (DoS) attack.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
13) Use-after-free
EUVDB-ID: #VU58092
Risk: Medium
CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3738
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Samba AD DC RPC server. A remote authenticated attacker can gain elevated privileges and perform a denial of service (DoS) attack.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
14) Link following
EUVDB-ID: #VU60187
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-44141
CWE-ID:
CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to insecure link following. A remote user with ability to write files to the exported part of the file system under a share via SMB1 unix extensions or via NFS can create a symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
15) Out-of-bounds write
EUVDB-ID: #VU60186
Risk: High
CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-44142
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing EA metadata while opening files in smbd within the VFS Samba module (vfs_fruit). A remote attacker with ability to write to file's extended attributes can trigger an out-of-bounds write and execute arbitrary code with root privileges.
Note, the vulnerability in vfs_fruit exists in the default configuration of the fruit VFS module using fruit:metadata=netatalk or fruit:resource=file.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
16) Insufficient verification of data authenticity
EUVDB-ID: #VU60185
Risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-0336
CWE-ID:
CWE-345 - Insufficient Verification of Data Authenticity
Exploit availability: No
DescriptionThe vulnerability allows a local user to impersonate arbitrary services.
The vulnerability exists due to Samba AD DC relies only on SPN (service principals name) to identify services on the network. An attacker with ability to modify SPNs can bypass implemented protection and cause a denial of service condition by adding an SPN that matches an existing service or impersonate services on the network.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
17) Use of insufficiently random values
EUVDB-ID: #VU67270
Risk: Low
CVSSv3.1: 3.1 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-1615
CWE-ID:
CWE-330 - Use of Insufficiently Random Values
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to usage of predictable random values within the GnuTLS gnutls_rnd() function. A remote user can decrypt sensitive information.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
18) Security restrictions bypass
EUVDB-ID: #VU65820
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2031
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to the way the KDC kpasswd service handles password change requests. A remote user can escalate privileges on the system.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
19) Memory leak
EUVDB-ID: #VU65824
Risk: Low
CVSSv3.1: 3.6 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-32742
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due memory leak when handling SMB1 requests. A remote user with ability to write data to a file share can force the application to leak memory and gain access to potentially sensitive information.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
20) Incorrect default permissions
EUVDB-ID: #VU67271
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-32743
CWE-ID:
CWE-276 - Incorrect Default Permissions
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to Samba does not validate the Validated-DNS-Host-Name for the dNSHostName attribute. A remote attacker can set an arbitrary hostname and perform MitM attack.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
21) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU65825
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-32744
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote user to force password change requests.
The vulnerability exists due to tickets received by the kpasswd service were decrypted without specifying that only that service's own keys should be tried. A remote user can force the server to accept tickets encrypted with any key and initiate password change requests for any Samba AD user.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
22) Infinite loop
EUVDB-ID: #VU65826
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-32745
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when processing LDAP requests. A remote user can send a specially crafted LDAP request to the server, consume all available system resources and cause denial of service conditions.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
23) Use-after-free
EUVDB-ID: #VU65827
Risk: Low
CVSSv3.1: 2.1 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-32746
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error when handling LDAP requests. A remote user with ability to edit privileged properties, such as userAccountControl, can send a specially crafted LDAP request to the server, trigger a use-after-free error and perform a denial of service (DoS) attack.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
24) Heap-based buffer overflow
EUVDB-ID: #VU68701
Risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3437
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. A remote user can send specially crafted data to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
25) UNIX symbolic link following
EUVDB-ID: #VU68700
Risk: Medium
CVSSv3.1: 4 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3592
CWE-ID:
CWE-61 - UNIX Symbolic Link (Symlink) Following
Exploit availability: No
DescriptionThe vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue. A remote user with access to the exported part of the file system under a share via SMB1 unix extensions or NFS can create symlinks to files outside of the smbd configured share path and access otherwise restricted files on the server.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
26) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU69094
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-37966
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Windows Kerberos RC4-HMAC. A remote attacker can conduct a man-in-middle (MiTM) attack, which leads to security restrictions bypass and privilege escalation.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
27) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU69104
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-37967
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote administrator to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Kerberos, which leads to security restrictions bypass and privilege escalation.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
28) Use of a broken or risky cryptographic algorithm
EUVDB-ID: #VU69151
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-38023
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to security features bypass in Netlogon RPC. A remote attacker can bypass the Netlogon cryptography feature for signing and sealing traffic during Netlogon authentication.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
29) Integer overflow
EUVDB-ID: #VU69337
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-42898
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to an integer overflow within the S4U2Proxy handler on 32-bit systems. A remote user can send specially crafted request to the KDC server, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
30) Use of a broken or risky cryptographic algorithm
EUVDB-ID: #VU70384
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-45141
CWE-ID:
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication.
The
vulnerability exists due to an error that allows an attacker to force
the server so issue an rc4-hmac ticket encrypted tickets despite the
target server supporting better encryption (eg aes256-cts-hmac-sha1-96).
A remote attacker can perform an offline attack against the ticket
encrypted with rc4-hmac and login as a privileged user.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
31) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU74178
Risk: Low
CVSSv3.1: 3.1 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-0225
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote user to delete certain attributes.
The vulnerability exists due to improper access restrictions. A remote unprivileged user can delete the "dnsHostname" attribute.
Update the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
32) Improper access control
EUVDB-ID: #VU74179
Risk: Medium
CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-0614
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain gain access to sensitive information.
The vulnerability exists due to insufficient patch for vulnerability #VU14335 (CVE-2018-10919). A remote user can bypass implemented security restrictions and gain access to sensitive information.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
33) Cleartext transmission of sensitive information
EUVDB-ID: #VU74177
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-0922
CWE-ID:
CWE-319 - Cleartext Transmission of Sensitive Information
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to samba-tool transmits credentials to the LDAP server in clear text. A remote attacker with ability to intercept network traffic can gain access to sensitive data.
MitigationUpdate the affected packages.
net-fs/samba to version: 4.18.4
Gentoo Linux: All versions
net-fs/samba: before 4.18.4
External linkshttp://security.gentoo.org/glsa/202309-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
