CVE-2013-4208

PuTTY < 0.63 - Unauthorized Sensitive Information Exposure via RSA Key Memory Handling

Title source: llm
STIX 2.1

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.

References (6)

Core 6
Core References
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2013/08/06/11
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/54533
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2013/dsa-2736
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/54379

Scores

EPSS 0.0039
EPSS Percentile 31.2%

Details

CWE
CWE-200
Status published
Products (19)
putty/putty 0.45
putty/putty 0.46
putty/putty 0.47
putty/putty 0.48
putty/putty 0.49
putty/putty 0.50
putty/putty 0.51
putty/putty 0.52
putty/putty 0.53b
putty/putty 0.54
... and 9 more
Published Aug 19, 2013
Tracked Since Feb 18, 2026