Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : libarchive vulnerabilities (USN-2981-1)

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


Synopsis :

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

Description :

It was discovered that libarchive incorrectly handled certain
entry-size values in ZIP archives. A remote attacker could use this
issue to cause libarchive to crash, resulting in a denial of service,
or possibly execute arbitrary code. This issue only applied to Ubuntu
14.04 LTS, Ubuntu 15.10 and Ubuntu 16.04 LTS. (CVE-2016-1541)

It was discovered that libarchive incorrectly handled memory when
processing certain tar files. A remote attacker could use this issue
to cuase libarchive to crash, resulting in a denial of service. (CVE
number pending).

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 libarchive12 and / or libarchive13 packages.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.6
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 91219 ()

Bugtraq ID:

CVE ID: CVE-2016-1541

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