Ubuntu Security Notice USN-969-1
5th August, 2010
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.04 LTS
- Ubuntu 9.10
- Ubuntu 9.04
Multiple buffer overflows in PC/SC service.
- pcsc-lite - Middleware to access a smart card using PC/SC
It was discovered that the PC/SC service did not correctly handle
malformed messages. A local attacker could exploit this to execute
arbitrary code with root privileges.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 10.04 LTS:
- pcscd 1.5.3-1ubuntu4.1
- Ubuntu 9.10:
- pcscd 1.5.3-1ubuntu1.1
- Ubuntu 9.04:
- pcscd 1.4.102-1ubuntu2.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.