USN-1125-1: PCSC-Lite vulnerability

27 April 2011

PCSC-Lite could be made to crash or run programs if it accessed a special smart card.

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Releases

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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.10
Ubuntu 10.10
Ubuntu 10.04

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

References

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Further reading