[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
Summary:
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
Details:
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.
References:
http://www.ubuntu.com/usn/usn-1207-1
CVE-2011-2896, CVE-2011-3170
Package Information:
https://launchpad.net/ubuntu/+source/cups/1.4.6-5ubuntu1.4
https://launchpad.net/ubuntu/+source/cups/1.4.4-6ubuntu2.4
https://launchpad.net/ubuntu/+source/cups/1.4.3-1ubuntu1.5
https://launchpad.net/ubuntu/+source/cupsys/1.3.7-1ubuntu3.13
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