Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : c-ares vulnerability (USN-3143-1)

Ubuntu Security Notice (C) 2016 Canonical, Inc. / NASL script (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Gzob Qq discovered that c-ares incorrectly handled certain hostnames.
A remote attacker could use this issue to cause applications using
c-ares to crash, resulting in a denial of service, or possibly execute
arbitrary code.

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.

Solution :

Update the affected libc-ares2 package.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.2
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 95428 ()

Bugtraq ID:

CVE ID: CVE-2016-5180

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