Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-2157

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
27/03/2015
Last modified:
12/04/2025

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.

Impact

Vector 2.0
AV:L/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
2.10
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.51:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.52:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.53b:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.54:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.55:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.56:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.57:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.58:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.59:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.60:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools