USN-353-2: OpenSSL vulnerability
5 October 2006
openssl vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 6.06 LTS
- Ubuntu 5.10
- Ubuntu 5.04
Software Description
Details
USN-353-1 fixed several vulnerabilities in OpenSSL. However, Mark J Cox noticed that the applied patch for CVE-2006-2940 was flawed. This update corrects that patch.
For reference, this is the relevant part of the original advisory:
Certain types of public key could take disproportionate amounts of time to process. The library now limits the maximum key exponent size to avoid Denial of Service attacks. (CVE-2006-2940)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 6.06 LTS
- libssl0.9.8 - 0.9.8a-7ubuntu0.3
- Ubuntu 5.10
- libssl0.9.7 - 0.9.7g-1ubuntu1.5
- Ubuntu 5.04
- libssl0.9.7 - 0.9.7e-3ubuntu0.6
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.