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TITLE:
OpenSC "pkcs11-tool" RSA Key Generation Security Issue

SECUNIA ADVISORY ID:
SA35035

VERIFY ADVISORY:
http://secunia.com/advisories/35035/

DESCRIPTION:
A security issue has been reported in OpenSC, which can potentially
lead to the disclosure of sensitive information.

The security issue is caused due to an error in the "pkcs11-tool"
that results in the generation of an RSA key pair with an insecure
public exponent of "1".

Successful exploitation requires that the "pkcs11-tool" is used to
generate a RSA key pair with a third-party PKCS#11 module and a card
accepting the insecure exponent.

The security issue is reported in version 0.11.7 and the OpenSC SVN
trunk.

SOLUTION:
Update to version 0.11.8.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Miquel Comas Martí.

ORIGINAL ADVISORY:
http://www.opensc-project.org/pipermail/opensc-announce/2009-May/000025.html

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