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USN-431-1: Thunderbird vulnerabilities

7 March 2007

Thunderbird vulnerabilities

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Releases

Details

The SSLv2 protocol support in the NSS library did not sufficiently
check the validity of public keys presented with a SSL certificate. A
malicious SSL web site using SSLv2 could potentially exploit this to
execute arbitrary code with the user's privileges. (CVE-2007-0008)

The SSLv2 protocol support in the NSS library did not sufficiently
verify the validity of client master keys presented in an SSL client
certificate. A remote attacker could exploit this to execute arbitrary
code in a server application that uses the NSS library. (CVE-2007-0009)

Various flaws have been reported that could allow an attacker to execute
arbitrary code with user privileges by tricking the user into opening a
malicious web page. (CVE-2007-0775, CVE-2007-0776, CVE-2007-0777)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 6.10
  • mozilla-thunderbird - 1.5.0.10-0ubuntu0.6.10
Ubuntu 6.06
  • mozilla-thunderbird - 1.5.0.10-0ubuntu0.6.06
Ubuntu 5.10
  • mozilla-thunderbird - 1.5.0.10-0ubuntu0.5.10

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

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