CVE-2013-4208 Information

Description

The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory which might allow local users to discover private RSA and DSA keys.

Reference

http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html http://secunia.com/advisories/54379 http://secunia.com/advisories/54533 http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped.html http://www.debian.org/security/2013/dsa-2736 http://www.openwall.com/lists/oss-security/2013/08/06/11