USN-717-2: Firefox vulnerabilities

Ubuntu Security Notice USN-717-2

10th February, 2009

firefox-3.0 vulnerabilities

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

  • Ubuntu 7.10

Software description

  • firefox

Details

A flaw was discovered in the browser engine when restoring closed tabs. If a
user were tricked into restoring a tab to a malicious website with form input
controls, an attacker could steal local files on the user's system.
(CVE-2009-0355)

Wladimir Palant discovered that Firefox did not restrict access to cookies in
HTTP response headers. If a user were tricked into opening a malicious web
page, a remote attacker could view sensitive information. (CVE-2009-0357)

Update instructions

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

Ubuntu 7.10:
firefox 2.0.0.21~20090209t122238+nobinonly-0ubuntu0.7.10.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system upgrade you need to restart Firefox to effect the
necessary changes.

References

CVE-2009-0355, CVE-2009-0357