USN-2083-1: Graphviz vulnerabilities

16 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 versions:

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