Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 4 |
CVE-ID | CVE-2020-10730 CVE-2020-10745 CVE-2020-10760 CVE-2020-14303 |
CWE-ID | CWE-476 CWE-400 CWE-416 CWE-20 |
Exploitation vector | Network |
Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. Public exploit code for vulnerability #3 is available. Public exploit code for vulnerability #4 is available. |
Vulnerable software Subscribe |
Samba Server applications / Directory software, identity management |
Vendor | Samba |
This security bulletin contains information about 4 vulnerabilities.
EUVDB-ID: #VU29483
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2020-10730
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in Samba AD DC LDAP Server with ASQ, VLV and paged_results. A remote authenticated user can pass specially crafted data to the application and perform a denial of service (DoS) attack by triggering a NULL pointer dereference or us-after-free error.
Install updates from vendor's website.
Vulnerable software versionsSamba: 4.12.0 - 4.12.3, 4.11.0 - 4.11.10, 4.10.0 - 4.10.16, 4.9.0 - 4.9.18, 4.8.0 - 4.8.12, 4.7.0 - 4.7.12, 4.6.0 - 4.6.16, 4.5.0 - 4.5.16
http://www.samba.org/samba/security/CVE-2020-10730.html
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU29484
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2020-10745
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing NBT and DNS replies. A remote attacker can send a name in the reply to a NBT or DNS request and consume excessive CPU resources, resulting in denial of service conditions.
Install updates from vendor's website.
Vulnerable software versionsSamba: 4.11.0 - 4.11.10, 4.12.0 - 4.12.3, 4.10.0 - 4.10.16, 4.9.0 - 4.9.18, 4.8.0 - 4.8.12, 4.7.0 - 4.7.12, 4.6.0 - 4.6.16, 4.5.0 - 4.5.16, 4.4.0 - 4.4.16, 4.3.0 - 4.3.13, 4.2.0 - 4.2.14, 4.1.0 - 4.1.23, 4.0.0 - 4.0.26
http://www.samba.org/samba/security/CVE-2020-10745.html
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU29485
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2020-10760
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in Samba AD DC Global Catalog with paged_results and VLV. A remote user can send a specially crafted request to the LDAP server, trigger a use-after-free error and perform a denial of service attack.
Install updates from vendor's website.
Vulnerable software versionsSamba: 4.12.0 - 4.12.3, 4.11.0 - 4.11.10, 4.10.0 - 4.10.16, 4.9.0 - 4.9.18, 4.8.0 - 4.8.12, 4.7.0 - 4.7.12, 4.6.0 - 4.6.16, 4.5.0 - 4.5.16
http://www.samba.org/samba/security/CVE-2020-10760.html
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU29486
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2020-14303
CWE-ID:
CWE-20 - Improper Input Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of UDp packets with 0 length data in Samba. A remote attacker can send a specially crafted UDP packet to port 137/TCP and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSamba: 4.11.0 - 4.11.10, 4.12.0 - 4.12.3, 4.10.0 - 4.10.16, 4.9.0 - 4.9.18, 4.8.0 - 4.8.12, 4.7.0 - 4.7.12, 4.6.0 - 4.6.16, 4.5.0 - 4.5.16, 4.4.0 - 4.4.16, 4.3.0 - 4.3.13, 4.2.0 - 4.2.14, 4.1.0 - 4.1.23, 4.0.0 - 4.0.26
http://www.samba.org/samba/security/CVE-2020-14303.html
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?