Ubuntu 12.04 LTS / 14.04 LTS / 15.10 : samba vulnerabilities (USN-2922-1)

Medium Nessus Plugin ID 89777


The remote Ubuntu host is missing one or more security-related patches.


Jeremy Allison discovered that Samba incorrectly handled ACLs on symlink paths. A remote attacker could use this issue to overwrite the ownership of ACLs using symlinks. (CVE-2015-7560)

Garming Sam and Douglas Bagnall discovered that the Samba internal DNS server incorrectly handled certain DNS TXT records. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly obtain uninitialized memory contents. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 15.10. (CVE-2016-0771)

It was discovered that the Samba Web Administration Tool (SWAT) was vulnerable to clickjacking and cross-site request forgery attacks.
This issue only affected Ubuntu 12.04 LTS. (CVE-2013-0213, CVE-2013-0214).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected samba and / or swat packages.

Plugin Details

Severity: Medium

ID: 89777

File Name: ubuntu_USN-2922-1.nasl

Version: $Revision: 2.5 $

Type: local

Agent: unix

Published: 2016/03/09

Modified: 2016/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5.1

Temporal Score: 4.2

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND


Base Score: 6.5

Temporal Score: 6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:X

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:samba, p-cpe:/a:canonical:ubuntu_linux:swat, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:15.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2016/03/08

Reference Information

CVE: CVE-2013-0213, CVE-2013-0214, CVE-2015-7560, CVE-2016-0771

OSVDB: 89626, 89627, 135620, 135621

USN: 2922-1