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Mandriva Linux Security Advisory 2012-078

Mandriva Linux Security Advisory 2012-078
Posted May 18, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-078 - Multiple vulnerabilities has been found and corrected in imagemagick. A flaw was found in the way ImageMagick processed images with malformed Exchangeable image file format metadata. An attacker could create a specially-crafted image file that, when opened by a victim, would cause ImageMagick to crash or, potentially, execute arbitrary code. A denial of service flaw was found in the way ImageMagick processed images with malformed Exif metadata. An attacker could create a specially-crafted image file that, when opened by a victim, could cause ImageMagick to enter an infinite loop. Various other issues have also been addressed.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, mandriva
advisories | CVE-2012-0247, CVE-2012-0248, CVE-2012-1185, CVE-2012-0259, CVE-2012-0260, CVE-2012-1798
MD5 | 6f125c1443abfe5487d3aa1d9138a149

Mandriva Linux Security Advisory 2012-078

Change Mirror Download
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_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2012:078
http://www.mandriva.com/security/
_______________________________________________________________________

Package : imagemagick
Date : May 17, 2012
Affected: 2011.
_______________________________________________________________________

Problem Description:

Multiple vulnerabilities has been found and corrected in imagemagick:

A flaw was found in the way ImageMagick processed images with malformed
Exchangeable image file format (Exif) metadata. An attacker could
create a specially-crafted image file that, when opened by a victim,
would cause ImageMagick to crash or, potentially, execute arbitrary
code (CVE-2012-0247).

A denial of service flaw was found in the way ImageMagick processed
images with malformed Exif metadata. An attacker could create a
specially-crafted image file that, when opened by a victim, could
cause ImageMagick to enter an infinite loop (CVE-2012-0248).

The original fix for CVE-2012-0247 failed to check for the possibility
of an integer overflow when computing the sum of number_bytes and
offset. This resulted in a wrap around into a value smaller than
length, making original CVE-2012-0247 introduced length check still
to be possible to bypass, leading to memory corruption (CVE-2012-1185).

An integer overflow flaw was found in the way ImageMagick processed
certain Exif tags with a large components count. An attacker
could create a specially-crafted image file that, when opened by a
victim, could cause ImageMagick to access invalid memory and crash
(CVE-2012-0259).

A denial of service flaw was found in the way ImageMagick decoded
certain JPEG images. A remote attacker could provide a JPEG image with
specially-crafted sequences of RST0 up to RST7 restart markers (used
to indicate the input stream to be corrupted), which once processed
by ImageMagick, would cause it to consume excessive amounts of memory
and CPU time (CVE-2012-0260).

An out-of-bounds buffer read flaw was found in the way ImageMagick
processed certain TIFF image files. A remote attacker could provide
a TIFF image with a specially-crafted Exif IFD value (the set of tags
for recording Exif-specific attribute information), which once opened
by ImageMagick, would cause it to crash (CVE-2012-1798).

The updated packages have been patched to correct these issues.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0247
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0248
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1185
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0259
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0260
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1798
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2011:
da7361c0c17202ca091edb5b8072712b 2011/i586/imagemagick-6.7.0.9-1.1-mdv2011.0.i586.rpm
0f4df0478f20a7a9827138ea1cf65a0f 2011/i586/imagemagick-desktop-6.7.0.9-1.1-mdv2011.0.i586.rpm
538e0ca239e8867aa220449c9a62c56e 2011/i586/imagemagick-doc-6.7.0.9-1.1-mdv2011.0.i586.rpm
c9cfd07876b53066060a79a8f75daa2e 2011/i586/libmagick4-6.7.0.9-1.1-mdv2011.0.i586.rpm
d4014e6a7db2cdf424b1dc76cea26aa2 2011/i586/libmagick-devel-6.7.0.9-1.1-mdv2011.0.i586.rpm
ab16832bd74eef833f896b621ee92085 2011/i586/perl-Image-Magick-6.7.0.9-1.1-mdv2011.0.i586.rpm
202110f4349f2c1bab72a427e436b674 2011/SRPMS/imagemagick-6.7.0.9-1.1.src.rpm

Mandriva Linux 2011/X86_64:
51f47020de331237e7dcb27900e69412 2011/x86_64/imagemagick-6.7.0.9-1.1-mdv2011.0.x86_64.rpm
bf2f680d4c889ad223f8bd96e046cb18 2011/x86_64/imagemagick-desktop-6.7.0.9-1.1-mdv2011.0.x86_64.rpm
8656a86ae2a83d19b3c775606a7b746a 2011/x86_64/imagemagick-doc-6.7.0.9-1.1-mdv2011.0.x86_64.rpm
0332b2715f20d5afcd46739f48626e1f 2011/x86_64/lib64magick4-6.7.0.9-1.1-mdv2011.0.x86_64.rpm
848ae4df649fd005c70d425ea6e24ad4 2011/x86_64/lib64magick-devel-6.7.0.9-1.1-mdv2011.0.x86_64.rpm
f18b862dc68b90a01b5c11410ab642f7 2011/x86_64/perl-Image-Magick-6.7.0.9-1.1-mdv2011.0.x86_64.rpm
202110f4349f2c1bab72a427e436b674 2011/SRPMS/imagemagick-6.7.0.9-1.1.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/security/advisories

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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