USN-3272-1: Ghostscript vulnerabilities

Ubuntu Security Notice USN-3272-1

28th April, 2017

ghostscript vulnerabilities

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

• Ubuntu 17.04



• Ubuntu 16.10



• Ubuntu 16.04 LTS



• Ubuntu 14.04 LTS



• Ubuntu 12.04 LTS

Summary

Several security issues were fixed in Ghostscript.

Software description

• ghostscript
  - PostScript and PDF interpreter
  
  

Details

It was discovered that Ghostscript improperly handled parameters to
the rsdparams and eqproc commands. An attacker could use these to
craft a malicious document that could disable -dSAFER protections,
thereby executing arbitrary code or causing a denial of service
(application crash). ()

Kamil Frankowicz discovered a divide-by-zero error in the scan
conversion code in Ghostscript. An attacker could use this to cause
a denial of service (application crash). (, )

Update instructions

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

Ubuntu 17.04:

Ubuntu 16.10:

Ubuntu 16.04 LTS:

Ubuntu 14.04 LTS:

Ubuntu 12.04 LTS:

To update your system, please follow these instructions:
,

,

,

CVE-2017-8291