[USN-2697-1] Ghostscript vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-2697-1
July 30, 2015

ghostscript vulnerability
==========================================================================

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

- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Ghostscript could be made to crash or run programs if it processed a
specially crafted file.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

William Robinet and Stefan Cornelius discovered that Ghostscript did not
correctly handle certain Postscript files. If a user or automated system
were tricked into opening a specially crafted file, an attacker could cause
a denial of service or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 15.04:
  libgs9                          9.15+dfsg-0ubuntu2.1

Ubuntu 14.04 LTS:
  libgs9                          9.10~dfsg-0ubuntu10.4

Ubuntu 12.04 LTS:
  libgs9                          9.05~dfsg-0ubuntu4.3

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

References:
  http://www.ubuntu.com/usn/usn-2697-1
  CVE-2015-3228

Package Information:
  https://launchpad.net/ubuntu/+source/ghostscript/9.15+dfsg-0ubuntu2.1
  https://launchpad.net/ubuntu/+source/ghostscript/9.10~dfsg-0ubuntu10.4
  https://launchpad.net/ubuntu/+source/ghostscript/9.05~dfsg-0ubuntu4.3


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