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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Gain a shell remotely >> SSH Overflow


Vulnerability Assessment Details

SSH Overflow

Vulnerability Assessment Summary
Checks for the remote SSH version

Detailed Explanation for this Vulnerability Assessment

Summary :

Arbitrary code might be executed on the remote host

Description :

The remote host is a running a version of the SSH server which is older than
(or as old as) version 1.2.27.

If this version was compiled against the RSAREF library, then it is very
likely to be vulnerable to a buffer overflow which may be exploited by an
attacker to gain root rights on your system.

To acertain if you compiled ssh against the RSAREF library, type
'ssh -V' on the remote host.

Solution :

Use SSH 2.x, or do not compile ssh against the RSAREF library

Network Security Threat Level:

High / CVSS Base Score : 8
(AV:R/AC:H/Au:NR/C:C/A:C/I:C/B:N)

Networks Security ID: 843

Vulnerability Assessment Copyright: This script is Copyright (C) 1999 - 2006 Tenable Network Security

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