USN-1125-1: PCSC-Lite vulnerability

Releases

• Ubuntu 10.10
• Ubuntu 10.04
• Ubuntu 9.10

Packages

• 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 9.10

• libpcsclite1 - 1.5.3-1ubuntu1.2

Ubuntu 10.10

• libpcsclite1 - 1.5.5-3ubuntu2.1

Ubuntu 10.04

• libpcsclite1 - 1.5.3-1ubuntu4.2

After a standard system update you need to restart smart card applications
to make all the necessary changes.

References

• CVE-2010-4531