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

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CVE-2013-4208

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
19/08/2013
Last modified:
11/04/2025

Description

The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory, which might allow local users to discover private RSA and DSA keys.

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:a:putty:putty:0.45:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.46:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.47:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:*
cpe:2.3:a:putty:putty:0.50:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools