Description
The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151933.html ↗
- http://www.securityfocus.com/bid/72825 ↗
- http://www.debian.org/security/2015/dsa-3190 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151790.html ↗
- http://www.openwall.com/lists/oss-security/2015/02/28/4 ↗
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped-2.html ↗
- http://www.openwall.com/lists/oss-security/2015/02/28/5 ↗
- http://lists.opensuse.org/opensuse-updates/2015-03/msg00032.html ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151839.html ↗