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.
References (10)
Core 10
Core References
Patch, Vendor Advisory x_refsource_confirm
http://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151933.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/72825
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2015/dsa-3190
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151790.html
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/02/28/4
Patch, Vendor Advisory x_refsource_confirm
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped-2.html
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/02/28/5
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2015-03/msg00032.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151839.html
Scores
EPSS
0.0013
EPSS Percentile
31.4%
Details
CWE
CWE-200
Status
published
Products (19)
debian/debian_linux
7.0
fedoraproject/fedora
20
fedoraproject/fedora
22
opensuse/opensuse
13.1
opensuse/opensuse
13.2
putty/putty
0.51
putty/putty
0.52
putty/putty
0.53b
putty/putty
0.54
putty/putty
0.55
... and 9 more
Published
Mar 27, 2015
Tracked Since
Feb 18, 2026