http://www.h-online.com/open/news/item/When-a-smart-card-can-root-your-
computer-1154829.html

http://www.heise.de/security/meldung/Wenn-die-Smartcard-den-Rechner-
rootet-1154599.html

Heise reports a security issue found in OpenSC. As far as I can see
the code was added in 2004 to the starcos driver with the bug and
has found it's way cut&pasted into other drivers later.

If you only use certain cards, and the code for your card is not
vulnerable, then you can edit opensc.conf and set "card_drivers"
to the name of your card driver, thus disabling all other drivers.
Warning: I haven't tested this myself.

Or you can apply this patch (link by heise, haven't looked at our
code myself):
https://www.opensc-project.org/opensc/changeset/4913

Regards, Andreas
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