Ubuntu 14.04 LTS / 16.04 LTS / 16.10 : tiff regression (USN-3212-2)

Ubuntu Security Notice (C) 2017 Canonical, Inc. / NASL script (C) 2017 Tenable Network Security, Inc.


Synopsis :

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

Description :

USN-3212-1 fixed vulnerabilities in LibTIFF. Unfortunately, some of
the security patches were misapplied, which caused a regression when
processing certain images. This update fixes the problem.

We apologize for the inconvenience.

It was discovered that LibTIFF incorrectly handled certain malformed
images. If a user or automated system were tricked into opening a
specially crafted image, a remote attacker could crash the
application, leading to a denial of service, or possibly execute
arbitrary code with user privileges.

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 libtiff-tools and / or libtiff5 packages.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.4
(CVSS2#E:POC/RL:U/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 100545 ()

Bugtraq ID:

CVE ID:

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