USN-582-2: Thunderbird regression
Ubuntu Security Notice USN-582-2
6th March, 2008
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.04
- Ubuntu 6.10
- Ubuntu 6.06 LTS
USN-582-1 fixed several vulnerabilities in Thunderbird. The upstream
fixes were incomplete, and after performing certain actions Thunderbird
would crash due to memory errors. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Thunderbird did not properly set the size of a
buffer when parsing an external-body MIME-type. If a user were to open
a specially crafted email, an attacker could cause a denial of service
via application crash or possibly execute arbitrary code as the user.
engine. By tricking a user into opening a malicious message, an
attacker could execute arbitrary code with the user's privileges.
a user into opening a malicious message, an attacker could escalate
privileges within Thunderbird, perform cross-site scripting attacks
and/or execute arbitrary code with the user's privileges. (CVE-2008-0415)
Gerry Eisenhaur discovered that the chrome URI scheme did not properly
guard against directory traversal. Under certain circumstances, an
attacker may be able to load files or steal session data. Ubuntu is not
vulnerable in the default installation. (CVE-2008-0418)
Flaws were discovered in the BMP decoder. By tricking a user into
opening a specially crafted BMP file, an attacker could obtain
sensitive information. (CVE-2008-0420)
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.04:
- mozilla-thunderbird 184.108.40.206+220.127.116.11~prepatch080227-0ubuntu0.7.04.1
- Ubuntu 6.10:
- mozilla-thunderbird 18.104.22.168+22.214.171.124~prepatch080227-0ubuntu0.6.10.1
- Ubuntu 6.06 LTS:
- mozilla-thunderbird 126.96.36.199+188.8.131.52~prepatch080227-0ubuntu0.6.06.1
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.