USN-2083-1: Graphviz vulnerabilities

Ubuntu Security Notice USN-2083-1

16th January, 2014

graphviz vulnerabilities

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

  • Ubuntu 13.10
  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

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

Software description

  • graphviz - rich set of graph drawing tools

Details

It was discovered that Graphviz incorrectly handled memory in the yyerror
function. If a user were tricked into opening a specially crafted dot file,
an attacker could cause Graphviz to crash, or possibly execute arbitrary
code. (CVE-2014-0978, CVE-2014-1235)

It was discovered that Graphviz incorrectly handled memory in the chkNum
function. If a user were tricked into opening a specially crafted dot file,
an attacker could cause Graphviz to crash, or possibly execute arbitrary
code. (CVE-2014-1236)

The default compiler options for affected releases should reduce the
vulnerability to a denial of service.

Update instructions

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

Ubuntu 13.10:
graphviz 2.26.3-15ubuntu4.1
Ubuntu 13.04:
graphviz 2.26.3-14ubuntu1.1
Ubuntu 12.10:
graphviz 2.26.3-12ubuntu1.1
Ubuntu 12.04 LTS:
graphviz 2.26.3-10ubuntu1.1
Ubuntu 10.04 LTS:
graphviz 2.20.2-8ubuntu3.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2014-0978, CVE-2014-1235, CVE-2014-1236