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USN-958-1: Thunderbird vulnerabilities

26 July 2010

Releases

Packages

Details

Several flaws were discovered in the browser engine of Thunderbird. If a
user were tricked into viewing malicious content, a remote attacker could
use this to crash Thunderbird or possibly run arbitrary code as the user
invoking the program. (CVE-2010-1211, CVE-2010-1212)

An integer overflow was discovered in how Thunderbird processed CSS values.
An attacker could exploit this to crash Thunderbird or possibly run
arbitrary code as the user invoking the program. (CVE-2010-2752)

An integer overflow was discovered in how Thunderbird interpreted the XUL
element. If a user were tricked into viewing malicious content, a remote
attacker could use this to crash Thunderbird or possibly run arbitrary code
as the user invoking the program. (CVE-2010-2753)

Aki Helin discovered that libpng did not properly handle certain malformed
PNG images. If a user were tricked into opening a crafted PNG file, an
attacker could cause a denial of service or possibly execute arbitrary code
with the privileges of the user invoking the program. (CVE-2010-1205)

Yosuke Hasegawa discovered that the same-origin check in Thunderbird could
be bypassed by utilizing the importScripts Web Worker method. If a user
were tricked into viewing malicious content, an attacker could exploit this
to read data from other domains. (CVE-2010-1213)

Chris Evans discovered that Thunderbird did not properly process improper
CSS selectors. If a user were tricked into viewing malicious content, an
attacker could exploit this to read data from other domains.
(CVE-2010-0654)

Soroush Dalili discovered that Thunderbird did not properly handle script
error output. An attacker could use this to access URL parameters from
other domains. (CVE-2010-2754)

Update instructions

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

Ubuntu 10.04

After a standard system update you need to restart Thunderbird to make
all the necessary changes.

Related notices

  • USN-957-1: firefox, xulrunner-1.9.2, firefox-3.0, abrowser
  • USN-930-4: xulrunner-1.9.2, firefox-3.5, firefox-3.0, abrowser
  • USN-960-1: libpng12-0, libpng