CVE-2015-2157

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.

Score

CVSS 2.0 2.1 Low

Status

Modified - cve@mitre.org

Published

2015-03-27

Last modified

2024-08-06

Weaknesses

CWE-200

Affected products

• Debian Linux (Debian)
• Fedora (Fedoraproject)
• Opensuse (Opensuse)
• Putty (Putty)
• Putty (Simon Tatham)

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151790.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151839.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151933.html
• http://lists.opensuse.org/opensuse-updates/2015-03/msg00032.html
• http://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
• http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped-2.html
• http://www.debian.org/security/2015/dsa-3190
• http://www.openwall.com/lists/oss-security/2015/02/28/4
• http://www.openwall.com/lists/oss-security/2015/02/28/5
• http://www.securityfocus.com/bid/72825