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Test ID:1.3.6.1.4.1.25623.1.0.831694
Category:Mandrake Local Security Checks
Title:Mandriva Update for libexif MDVSA-2012:106 (libexif)
Summary:The remote host is missing an update for the 'libexif'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'libexif'
package(s) announced via the referenced advisory.

Vulnerability Insight:
Multiple vulnerabilities has been discovered and corrected in libexif:

A heap-based out-of-bounds array read in the exif_entry_get_value
function in libexif/exif-entry.c in libexif 0.6.20 and earlier allows
remote attackers to cause a denial of service or possibly obtain
potentially sensitive information from process memory via an image
with crafted EXIF tags (CVE-2012-2812).

A heap-based out-of-bounds array read in the exif_convert_utf16_to_utf8
function in libexif/exif-entry.c in libexif 0.6.20 and earlier allows
remote attackers to cause a denial of service or possibly obtain
potentially sensitive information from process memory via an image
with crafted EXIF tags (CVE-2012-2813).

A buffer overflow in the exif_entry_format_value function in
libexif/exif-entry.c in libexif 0.6.20 allows remote attackers to
cause a denial of service or possibly execute arbitrary code via an
image with crafted EXIF tags (CVE-2012-2814).

A heap-based out-of-bounds array read in the exif_data_load_data
function in libexif 0.6.20 and earlier allows remote attackers to
cause a denial of service or possibly obtain potentially sensitive
information from process memory via an image with crafted EXIF tags
(CVE-2012-2836).

A divide-by-zero error in the mnote_olympus_entry_get_value function
while formatting EXIF maker note tags in libexif 0.6.20 and earlier
allows remote attackers to cause a denial of service via an image
with crafted EXIF tags (CVE-2012-2837).

An off-by-one error in the exif_convert_utf16_to_utf8 function in
libexif/exif-entry.c in libexif 0.6.20 and earlier allows remote
attackers to cause a denial of service or possibly execute arbitrary
code via an image with crafted EXIF tags (CVE-2012-2840).

An integer underflow in the exif_entry_get_value function can cause a
heap overflow and potentially arbitrary code execution while formatting
an EXIF tag, if the function is called with a buffer size parameter
equal to zero or one (CVE-2012-2841).

The updated packages have been upgraded to the 0.6.21 version which
is not vulnerable to these issues.

Affected Software/OS:
libexif on Mandriva Linux 2011.0,
Mandriva Enterprise Server 5.2

Solution:
Please Install the Updated Packages.

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-2812
BugTraq ID: 54437
http://www.securityfocus.com/bid/54437
Debian Security Information: DSA-2559 (Google Search)
http://www.debian.org/security/2012/dsa-2559
http://sourceforge.net/mailarchive/message.php?msg_id=29534027
RedHat Security Advisories: RHSA-2012:1255
http://rhn.redhat.com/errata/RHSA-2012-1255.html
http://secunia.com/advisories/49988
SuSE Security Announcement: SUSE-SU-2012:0902 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00014.html
SuSE Security Announcement: SUSE-SU-2012:0903 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00015.html
http://www.ubuntu.com/usn/USN-1513-1
Common Vulnerability Exposure (CVE) ID: CVE-2012-2813
Common Vulnerability Exposure (CVE) ID: CVE-2012-2814
Common Vulnerability Exposure (CVE) ID: CVE-2012-2836
Common Vulnerability Exposure (CVE) ID: CVE-2012-2837
Common Vulnerability Exposure (CVE) ID: CVE-2012-2840
Common Vulnerability Exposure (CVE) ID: CVE-2012-2841
CopyrightCopyright (C) 2012 Greenbone AG

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