USN-798-1: Firefox and Xulrunner vulnerabilities

22 July 2009

Firefox and Xulrunner vulnerabilities

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Releases

Packages

Details

Several flaws were discovered in the Firefox browser and JavaScript
engines. If a user were tricked into viewing a malicious website, a remote
attacker could cause a denial of service or possibly execute arbitrary code
with the privileges of the user invoking the program. (CVE-2009-2462,
CVE-2009-2463, CVE-2009-2464, CVE-2009-2465, CVE-2009-2466, CVE-2009-2469)

Attila Suszter discovered a flaw in the way Firefox processed Flash content.
If a user were tricked into viewing and navigating within a specially
crafted Flash object, a remote attacker could cause a denial of service or
possibly execute arbitrary code with the privileges of the user invoking
the program. (CVE-2009-2467)

It was discovered that Firefox did not properly handle some SVG content. An
attacker could exploit this to cause a denial of service or possibly
execute arbitrary code with the privileges of the user invoking the
program. (CVE-2009-2469)

A flaw was discovered in the JavaScript engine. If a user were tricked into
viewing a malicious website, an attacker could exploit this perform
cross-site scripting attacks. (CVE-2009-2472)

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 9.04
Ubuntu 8.10
Ubuntu 8.04

After a standard system upgrade you need to restart Firefox and any
applications that use xulrunner, such as Epiphany, to effect the necessary
changes.

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