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USN-906-1: CUPS vulnerabilities

3 March 2010

CUPS vulnerabilities

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Releases

Packages

Details

It was discovered that the CUPS scheduler did not properly handle certain
network operations. A remote attacker could exploit this flaw and cause the
CUPS server to crash, resulting in a denial of service. This issue only
affected Ubuntu 8.04 LTS, 8.10, 9.04 and 9.10. (CVE-2009-3553,
CVE-2010-0302)

Ronald Volgers discovered that the CUPS lppasswd tool could be made to load
localized message strings from arbitrary files by setting an environment
variable. A local attacker could exploit this with a format-string
vulnerability leading to a root privilege escalation. The default compiler
options for Ubuntu 8.10, 9.04 and 9.10 should reduce this vulnerability to
a denial of service. (CVE-2010-0393)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 9.10
Ubuntu 9.04
Ubuntu 8.10
Ubuntu 8.04
Ubuntu 6.06

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