[USN-2483-2] Ghostscript vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-2483-2
January 26, 2015

ghostscript vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 10.04 LTS

Summary:

Ghostscript could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

USN-2483-1 fixed vulnerabilities in JasPer. This update provides the
corresponding fix for the JasPer library embedded in the Ghostscript
package.

Original advisory details:

 Jose Duart discovered that JasPer incorrectly handled ICC color profiles in
 JPEG-2000 image files. If a user were tricked into opening a specially
 crafted JPEG-2000 image file, a remote attacker could cause JasPer to crash
 or possibly execute arbitrary code with user privileges. (CVE-2014-8137)
  Jose Duart discovered that JasPer incorrectly decoded certain malformed
 JPEG-2000 image files. If a user were tricked into opening a specially
 crafted JPEG-2000 image file, a remote attacker could cause JasPer to crash
 or possibly execute arbitrary code with user privileges. (CVE-2014-8138)
  It was discovered that JasPer incorrectly handled certain malformed
 JPEG-2000 image files. If a user were tricked into opening a specially
 crafted JPEG-2000 image file, a remote attacker could cause JasPer to crash
 or possibly execute arbitrary code with user privileges. (CVE-2014-8157)
  It was discovered that JasPer incorrectly handled memory when processing
 JPEG-2000 image files. If a user were tricked into opening a specially
 crafted JPEG-2000 image file, a remote attacker could cause JasPer to crash
 or possibly execute arbitrary code with user privileges. (CVE-2014-8158)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 10.04 LTS:
  libgs8                          8.71.dfsg.1-0ubuntu5.7

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2483-2
  http://www.ubuntu.com/usn/usn-2483-1
  CVE-2014-8137, CVE-2014-8138, CVE-2014-8157, CVE-2014-8158

Package Information:
  https://launchpad.net/ubuntu/+source/ghostscript/8.71.dfsg.1-0ubuntu5.7


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