Ubuntu Security Notice USN-370-1
1st November, 2006
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 6.10
- Ubuntu 6.06 LTS
- Ubuntu 5.10
- Ubuntu 5.04
cstone and Rich Felker discovered a programming error in the UTF8 string
handling code of "screen" leading to a denial of service. If a crafted
string was displayed within a screen session, screen would crash or
possibly execute arbitrary code.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 6.10:
- screen 4.0.2-4.1ubuntu5.6.10
- Ubuntu 6.06 LTS:
- screen 4.0.2-4.1ubuntu5.6.06
- Ubuntu 5.10:
- screen 4.0.2-4.1ubuntu2.5.10
- Ubuntu 5.04:
- screen 4.0.2-4.1ubuntu2.5.04
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart any running screen
sessions to effect the necessary changes.