Ubuntu Update for openoffice.org vulnerabilities USN-903-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-903-1
Solution
Please Install the Updated Packages.
Insight
It was discovered that the XML HMAC signature system did not correctly check certain lengths. If an attacker sent a truncated HMAC, it could bypass authentication, leading to potential privilege escalation. (CVE-2009-0217) Sebastian Apelt and Frank Rei&#223 ner discovered that OpenOffice did not correctly import XPM and GIF images. If a user were tricked into opening a specially crafted image, an attacker could execute arbitrary code with user privileges. (CVE-2009-2949, CVE-2009-2950) Nicolas Joly discovered that OpenOffice did not correctly handle certain Word documents. If a user were tricked into opening a specially crafted document, an attacker could execute arbitrary code with user privileges. (CVE-2009-3301, CVE-2009-3302) It was discovered that OpenOffice did not correctly handle certain VBA macros correctly. If a user were tricked into opening a specially crafted document, an attacker could execute arbitrary macro commands, bypassing security controls. (CVE-2010-0136)
Affected
openoffice.org vulnerabilities on Ubuntu 8.04 LTS , Ubuntu 8.10 , Ubuntu 9.04 , Ubuntu 9.10