Information Exposure Affecting putty package, versions [,0.63)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-PUTTY-2368657
  • published26 Jan 2022
  • disclosed19 Aug 2013
  • creditUnknown

Introduced: 19 Aug 2013

CVE-2013-4208  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade putty to version 0.63 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. 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

CVSS Scores

version 3.1