========================================================================== Ubuntu Security Notice USN-1125-1 April 27, 2011 pcsc-lite vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 10.10 - Ubuntu 10.04 LTS - Ubuntu 9.10 Summary: PCSC-Lite could be made to crash or run programs if it accessed a special smart card. Software Description: - pcsc-lite: Middleware to access a smart card using PC/SC (development files) Details: Rafael Dominguez Vega discovered that PCSC-Lite incorrectly handled smart cards with malformed ATR messages. An attacker having physical access could exploit this with a special smart card and cause a denial of service or execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 10.10: libpcsclite1 1.5.5-3ubuntu2.1 Ubuntu 10.04 LTS: libpcsclite1 1.5.3-1ubuntu4.2 Ubuntu 9.10: libpcsclite1 1.5.3-1ubuntu1.2 After a standard system update you need to restart smart card applications to make all the necessary changes. References: CVE-2010-4531 Package Information: https://launchpad.net/ubuntu/+source/pcsc-lite/1.5.5-3ubuntu2.1 https://launchpad.net/ubuntu/+source/pcsc-lite/1.5.3-1ubuntu4.2 https://launchpad.net/ubuntu/+source/pcsc-lite/1.5.3-1ubuntu1.2
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