Ubuntu Security Notice USN-704-1
7th January, 2009
openssl vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 8.10
- Ubuntu 8.04 LTS
- Ubuntu 7.10
- Ubuntu 6.06 LTS
Software description
- openssl
Details
It was discovered that OpenSSL did not properly perform signature verification
on DSA and ECDSA keys. If user or automated system connected to a malicious
server or a remote attacker were able to perform a man-in-the-middle attack,
this flaw could be exploited to view sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 8.10:
- libssl0.9.8 0.9.8g-10.1ubuntu2.1
- openssl 0.9.8g-10.1ubuntu2.1
- Ubuntu 8.04 LTS:
- libssl0.9.8 0.9.8g-4ubuntu3.4
- openssl 0.9.8g-4ubuntu3.4
- Ubuntu 7.10:
- libssl0.9.8 0.9.8e-5ubuntu3.3
- openssl 0.9.8e-5ubuntu3.3
- Ubuntu 6.06 LTS:
- libssl0.9.8 0.9.8a-7ubuntu0.6
- openssl 0.9.8a-7ubuntu0.6
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to reboot your computer to
effect the necessary changes.