CVE-2015-2157

Home/CVE/The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 priv

CVE

The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 priv

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.

LOW · CVSS 2.1 EPSS 0.00126

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

▤

Affected Products & Versions

debian linuxall versions
fedoraproject fedoraall versions
opensuseall versions
puttyall versions
simon tatham puttyall versions

▣

Scoring & Timeline

2.1

LOW · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

Published to NVD27 Mar 2015 · 02:59 PM

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:10374-1

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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-wiped-2.htmlPatchVendor Advisory

Show all 10 references

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

Intelligence Graph · click any node to traverse

CVETechnique ActorTool Family

drag to reposition · click any node to traverse · button top-right enlarges

External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service

threatengine.sh · Open-source threat intelligence platform · 100+ authoritative sources · Every fact traces to its origin