USN-831-1: OpenEXR vulnerabilities

14 September 2009

openexr vulnerabilities

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

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS

Software Description

  • openexr

Details

Drew Yao discovered several flaws in the way OpenEXR handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1720, CVE-2009-1721)

It was discovered that OpenEXR did not properly handle certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 8.04 LTS. (CVE-2009-1722)

Update instructions

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

Ubuntu 9.04
libopenexr6 - 1.6.1-3ubuntu1.9.04.1
Ubuntu 8.10
libopenexr6 - 1.6.1-3ubuntu1.8.10.1
Ubuntu 8.04 LTS
libopenexr2ldbl - 1.2.2-4.4ubuntu1.1

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

In general, a standard system upgrade is sufficient to effect the necessary changes.

References