Ubuntu 12.04 LTS : tiff vulnerabilities (USN-3212-4)

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 several issues in LibTIFF. This update provides a
subset of corresponding update for Ubuntu 12.04 ESM.

Mei Wang discovered a multiple integer overflows in LibTIFF which
allows remote attackers to cause a denial of service (crash) or
execute arbitrary code via a crafted TIFF image, which triggers an
out-of-bounds write. (CVE-2016-3945)

It was discovered that LibTIFF is vulnerable to a heap buffer overflow
in the resulting in DoS or code execution via a crafted BitsPerSample
value. (CVE-2017-5225)

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 libtiff4 packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.9
(CVSS2#E:POC/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 102258 ()

Bugtraq ID:

CVE ID: CVE-2016-3945
CVE-2017-5225

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