PuTTY Password Local Information Disclosure

medium Nessus Plugin ID 57365


The remote Windows host has an SSH client that is affected by an information disclosure vulnerability.


The remote host has an installation of PuTTY between 0.59 and 0.61, inclusive. Such versions are known to contain an information disclosure issue, where PuTTY neglects to wipe passwords from memory that it no longer requires.

Note that to exploit this vulnerability, a malicious, local process must have permission to access the memory assigned to the PuTTY process.


Upgrade to PuTTY version or later.

See Also


Plugin Details

Severity: Medium

ID: 57365

File Name: putty_062.nasl

Version: 1.8

Type: local

Agent: windows

Family: Windows

Published: 12/21/2011

Updated: 11/26/2018

Supported Sensors: Nessus Agent

Risk Information


Risk Factor: Low

Score: 1.4


Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2011-4607


Risk Factor: Medium

Base Score: 4

Temporal Score: 3.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:simon_tatham:putty

Required KB Items: installed_sw/PuTTY, SMB/Registry/Enumerated

Exploit Ease: No known exploits are available

Patch Publication Date: 12/8/2011

Vulnerability Publication Date: 12/8/2011

Reference Information

CVE: CVE-2011-4607

BID: 51021