USN-503-1: Thunderbird vulnerabilities

Ubuntu Security Notice USN-503-1

24th August, 2007

mozilla-thunderbird vulnerabilities

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

  • Ubuntu 7.04
  • Ubuntu 6.10
  • Ubuntu 6.06 LTS

Software description

  • mozilla-thunderbird

Details

Various flaws were discovered in the layout and JavaScript engines. By
tricking a user into opening a malicious email, an attacker could execute
arbitrary code with the user's privileges. Please note that JavaScript
is disabled by default for emails, and it is not recommended to enable it.
(CVE-2007-3734, CVE-2007-3735, CVE-2007-3844)

Jesper Johansson discovered that spaces and double-quotes were
not correctly handled when launching external programs. In rare
configurations, after tricking a user into opening a malicious email,
an attacker could execute helpers with arbitrary arguments with the
user's privileges. (CVE-2007-3670, CVE-2007-3845)

Update instructions

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

Ubuntu 7.04:
mozilla-thunderbird 1.5.0.13-0ubuntu0.7.04
Ubuntu 6.10:
mozilla-thunderbird 1.5.0.13-0ubuntu0.6.10
Ubuntu 6.06 LTS:
mozilla-thunderbird 1.5.0.13-0ubuntu0.6.06

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-2007-3670, CVE-2007-3734, CVE-2007-3735, CVE-2007-3844, CVE-2007-3845