Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : libpng vulnerabilities (USN-730-1)

Ubuntu Security Notice (C) 2009-2016 Canonical, Inc. / NASL script (C) 2009-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that libpng did not properly perform bounds checking
in certain operations. An attacker could send a specially crafted PNG
image and cause a denial of service in applications linked against
libpng. This issue only affected Ubuntu 8.04 LTS. (CVE-2007-5268,
CVE-2007-5269)

Tavis Ormandy discovered that libpng did not properly initialize
memory. If a user or automated system were tricked into opening a
crafted PNG image, an attacker could cause a denial of service via
application crash, or possibly execute arbitrary code with the
privileges of the user invoking the program. This issue did not affect
Ubuntu 8.10. (CVE-2008-1382)

Harald van Dijk discovered an off-by-one error in libpng. An attacker
could could cause an application crash in programs using pngtest.
(CVE-2008-3964)

It was discovered that libpng did not properly NULL terminate a
keyword string. An attacker could exploit this to set arbitrary memory
locations to zero. (CVE-2008-5907)

Glenn Randers-Pehrson discovered that libpng did not properly
initialize pointers. If a user or automated system were tricked into
opening a crafted PNG file, an attacker could cause a denial of
service or possibly execute arbitrary code with the privileges of the
user invoking the program. (CVE-2009-0040).

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 libpng12-0, libpng12-dev and / or libpng3
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 : 6.5
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 37042 ()

Bugtraq ID: 25956
28276
28770
33827

CVE ID: CVE-2007-5268
CVE-2007-5269
CVE-2008-1382
CVE-2008-3964
CVE-2008-5907
CVE-2009-0040

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