Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Fedoraproject | Fedora | 20 |
| Opensuse | Opensuse | 13.1 |
| Putty | Putty | 0.51 |
| Simon Tatham | Putty | 0.53 |
Related Weaknesses (CWE)
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.htmlPatchVendor Advisory
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wipedPatchVendor Advisory
- 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
- 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.htmlPatchVendor Advisory
FAQ
What is CVE-2015-2157?
CVE-2015-2157 is a vulnerability with a CVSS score of 2.1 (LOW). 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 b...
How severe is CVE-2015-2157?
CVE-2015-2157 has been rated LOW with a CVSS base score of 2.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-2157?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Fedoraproject Fedora, Opensuse Opensuse, Putty Putty, Simon Tatham Putty.