Ubuntu Security Notice USN-400-1

4th January, 2007

mozilla-thunderbird vulnerabilities

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

• Ubuntu 6.10
• Ubuntu 6.06 LTS
• Ubuntu 5.10

Details

Georgi Guninski and David Bienvenu discovered that long Content-Type and
RFC2047-encoded headers we vulnerable to heap overflows. By tricking
the user into opening a specially crafted email, an attacker could
execute arbitrary code with user privileges. (CVE-2006-6506)

Various flaws have been reported that allow an attacker to execute
arbitrary code with user privileges or bypass internal XSS protections
by tricking the user into opening a malicious email containing
JavaScript. Please note that JavaScript is disabled by default for
emails, and it is not recommended to enable it. (CVE-2006-6497,
CVE-2006-6498, CVE-2006-6499, CVE-2006-6501, CVE-2006-6502,
CVE-2006-6503)

Update instructions

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

Ubuntu 6.10:

mozilla-thunderbird 1.5.0.9-0ubuntu0.6.10

mozilla-thunderbird-dev 1.5.0.9-0ubuntu0.6.10

Ubuntu 6.06 LTS:

mozilla-thunderbird 1.5.0.9-0ubuntu0.6.06

mozilla-thunderbird-dev 1.5.0.9-0ubuntu0.6.06

Ubuntu 5.10:

mozilla-thunderbird 1.5.0.9-0ubuntu0.5.10

mozilla-thunderbird-dev 1.5.0.9-0ubuntu0.5.10

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

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

References

CVE-2006-6497, CVE-2006-6498, CVE-2006-6499, CVE-2006-6501, CVE-2006-6502, CVE-2006-6503, CVE-2006-6505