[USN-1207-1] CUPS vulnerabilities

Marc Deslauriers marc.deslauriers at canonical.com
Wed Sep 14 16:33:35 UTC 2011

Ubuntu Security Notice USN-1207-1
September 14, 2011

cups, cupsys vulnerabilities

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

- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS


An attacker could send crafted print jobs to CUPS and cause it to crash or
run programs.

Software Description:
- cups: Common UNIX Printing System(tm) - server
- cupsys: Common UNIX Printing System(tm) - server


Tomas Hoger discovered that the CUPS image library incorrectly handled LZW
streams. A remote attacker could use this flaw to cause a denial of service
or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 11.04:
  libcupsimage2                   1.4.6-5ubuntu1.4

Ubuntu 10.10:
  libcupsimage2                   1.4.4-6ubuntu2.4

Ubuntu 10.04 LTS:
  libcupsimage2                   1.4.3-1ubuntu1.5

Ubuntu 8.04 LTS:
  libcupsimage2                   1.3.7-1ubuntu3.13

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

  CVE-2011-2896, CVE-2011-3170

Package Information:

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