GLSA 201612-33: GPL Ghostscript: User-assisted execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	GPL Ghostscript: User-assisted execution of arbitrary code
Date:	12/13/2016
Bugs:	#556316
ID:	201612-33

Synopsis

An integer overflow in GPL Ghostscript may allow remote attackers to execute arbitrary code.

Background

Ghostscript is an interpreter for the PostScript language and for PDF.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-text/ghostscript-gpl	< 9.09	>= 9.09	All supported architectures

Description

An integer overflow flaw was discovered that leads to an out-of-bounds read and write in gs_ttf.ps.

Impact

A remote attacker could entice a user to open a specially crafted file, possibly resulting in the execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All GPL Ghostscript users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-text/ghostscript-gpl-9.09"

References

CVE-2015-3228

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201612-33.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.