Ubuntu 8.04 LTS / 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : libexif vulnerabilities (USN-1513-1)

Ubuntu Security Notice (C) 2012-2014 Canonical, Inc. / NASL script (C) 2012-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

Mateusz Jurczyk discovered that libexif incorrectly parsed certain
malformed EXIF tags. If a user or automated system were tricked into
processing a specially crafted image file, an attacker could cause
libexif to crash, leading to a denial of service, or possibly obtain
sensitive information. (CVE-2012-2812, CVE-2012-2813)

Mateusz Jurczyk discovered that libexif incorrectly parsed certain
malformed EXIF tags. If a user or automated system were tricked into
processing a specially crafted image file, an attacker could cause
libexif to crash, leading to a denial of service, or possibly execute
arbitrary code. (CVE-2012-2814)

Yunho Kim discovered that libexif incorrectly parsed certain malformed
EXIF tags. If a user or automated system were tricked into processing
a specially crafted image file, an attacker could cause libexif to
crash, leading to a denial of service, or possibly obtain sensitive
information. (CVE-2012-2836)

Yunho Kim discovered that libexif incorrectly parsed certain malformed
EXIF tags. If a user or automated system were tricked into processing
a specially crafted image file, an attacker could cause libexif to
crash, leading to a denial of service. (CVE-2012-2837)

Dan Fandrich discovered that libexif incorrectly parsed certain
malformed EXIF tags. If a user or automated system were tricked into
processing a specially crafted image file, an attacker could cause
libexif to crash, leading to a denial of service, or possibly execute
arbitrary code. (CVE-2012-2840, CVE-2012-2841).

Solution :

Update the affected libexif12 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 : 6.5
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 60105 ()

Bugtraq ID: 54437

CVE ID: CVE-2012-2812
CVE-2012-2813
CVE-2012-2814
CVE-2012-2836
CVE-2012-2837
CVE-2012-2840
CVE-2012-2841