USN-744-1: LittleCMS vulnerabilities

23 March 2009

lcms vulnerabilities

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

  • Ubuntu 8.10
  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 6.06 LTS

Software Description

  • lcms

Details

Chris Evans discovered that LittleCMS did not properly handle certain error conditions, resulting in a large memory leak. If a user or automated system were tricked into processing an image with malicious ICC tags, a remote attacker could cause a denial of service. (CVE-2009-0581)

Chris Evans discovered that LittleCMS contained multiple integer overflows. If a user or automated system were tricked into processing an image with malicious ICC tags, a remote attacker could crash applications linked against liblcms1, leading to a denial of service, or possibly execute arbitrary code with user privileges. (CVE-2009-0723)

Chris Evans discovered that LittleCMS did not properly perform bounds checking, leading to a buffer overflow. If a user or automated system were tricked into processing an image with malicious ICC tags, a remote attacker could execute arbitrary code with user privileges. (CVE-2009-0733)

Update instructions

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

Ubuntu 8.10
liblcms1 - 1.16-10ubuntu0.2
python-liblcms - 1.16-10ubuntu0.2
Ubuntu 8.04 LTS
liblcms1 - 1.16-7ubuntu1.2
python-liblcms - 1.16-7ubuntu1.2
Ubuntu 7.10
liblcms1 - 1.16-5ubuntu3.2
python-liblcms - 1.16-5ubuntu3.2
Ubuntu 6.06 LTS
liblcms1 - 1.13-1ubuntu0.2

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