Ubuntu Update for Linux kernel vulnerabilities USN-656-1

Please Install the Updated Packages.

It was discovered that the SGI image filter in CUPS did not perform proper bounds checking. If a user or automated system were tricked into opening a crafted SGI image, an attacker could cause a denial of service. (CVE-2008-3639) It was discovered that the texttops filter in CUPS did not properly validate page metrics. If a user or automated system were tricked into opening a crafted text file, an attacker could cause a denial of service. (CVE-2008-3640) It was discovered that the HP-GL filter in CUPS did not properly check for invalid pen parameters. If a user or automated system were tricked into opening a crafted HP-GL or HP-GL/2 file, a remote attacker could cause a denial of service or execute arbitrary code with user privileges. In Ubuntu 7.10 and 8.04 LTS, attackers would be isolated by the AppArmor CUPS profile. (CVE-2008-3641) NOTE: The previous update for CUPS on Ubuntu 6.06 LTS did not have the the fix for CVE-2008-1722 applied. This update includes fixes for the problem. We apologize for the inconvenience.

cupsys vulnerabilities on Ubuntu 6.06 LTS , Ubuntu 7.04 , Ubuntu 7.10 , Ubuntu 8.04 LTS

• https://lists.ubuntu.com/archives/ubuntu-security-announce/2008-October/000764.html

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Updated on 2015-03-25