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Home >> Browse Vulnerability Assessment Database >> Misc. >> OpenSSH < 4.4 Multiple GSSAPI Vulnerabilities

Vulnerability Assessment Details

OpenSSH < 4.4 Multiple GSSAPI Vulnerabilities

Vulnerability Assessment Summary
Checks version number of OpenSSH

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote SSH server is affected by multiple vulnerabilities.

Description :

According to its banner, the version of OpenSSH installed on the
remote host contains a race condition that may permit an
unauthenticated remote attacker to crash the service or, on portable
OpenSSH, possibly execute code on the affected host. In addition,
another flaw exists that may permit a possible hacker to acertain the
validity of usernames on some platforms.

Note that successful exploitation of these issues requires that GSSAPI
authentication be enabled.

See also :

http://www.openssh.com/txt/release-4.4

Solution :

Upgrade to OpenSSH 4.4 or later.

Network Security Threat Level:

Medium / CVSS Base Score : 5.6
(AV:R/AC:H/Au:NR/C:P/I:P/A:P/B:N)

Networks Security ID: 20241, 20245

Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security

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