SUSE Linux update for samba
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2015-5252 CVE-2016-2110 CVE-2016-2111 |
| CWE-ID | CWE-264 CWE-300 CWE-290 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SUSE Linux Operating systems & Components / Operating system |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU32347
Risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-5252
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to read and manipulate data.
vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.
MitigationUpdate the affected packages.
SUSE Linux: 10
External linkshttp://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html
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.
2) Man-in-the-middle attack
EUVDB-ID: #VU235
Risk: Medium
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-2110
CWE-ID:
CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to the failure to protect the feature negotiation of NTLMSSP from a downgrade. A remote unauthenticated attacker can bypass security restrictions by using man-in-the-middle techniques to clear NTLMSSP_NEGOTIATE_SIGN and NTLMSSP_NEGOTIATE_SEAL flags and perform downgrade attacks.
Successful exploitation of this vulnerability may result in security restrictions bypass.
Update the affected packages.
SUSE Linux: 10
External linkshttp://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html
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) Man-in-the-middle attack
EUVDB-ID: #VU236
Risk: Medium
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-2111
CWE-ID:
CWE-290 - Authentication Bypass by Spoofing
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to to conduct spoofing attacks.
The vulnerability exists due to an error in the NETLOGON service when a Domain Controller is configured. A remote unauthenticated attacker can conduct spoofing attacks by using a specially crafted application to connect to another domain joined system and access session-related information of the spoofed computer.
Successful exploitation of this vulnerability may result in disclosure of user information.
Update the affected packages.
SUSE Linux: 10
External linkshttp://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html
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.
