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Vulnerability Assessment & Network Security Forums |
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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 Kerberos issue Vulnerability Assessment Details
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SSH Kerberos issue |
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Checks for the remote SSH version Detailed Explanation for this Vulnerability Assessment Summary : The remote SSH server does not properly protect the kerberos tickets of the users. Description : The remote host is running a version of SSH which is older than (or as old as) version 1.2.27. There is a flaw in the remote version of this software which permits a possible hacker to eavesdrop the kerberos tickets of legitimate users of this service, as sshd will set their environment variable KRB5CCNAME to 'none' when they log in. As a result, kerberos tickets will be stored in the current working directory of the user, as 'none'. In certain cases, this may permit a possible hacker to obtain the tickets. Solution : Upgrade to the newest version of SSH. Network Security Threat Level: Low / CVSS Base Score : 3 (AV:R/AC:H/Au:NR/C:P/A:N/I:N/B:C) Networks Security ID: 1426 Vulnerability Assessment Copyright: This script is Copyright (C) 2000 - 2006 Tenable Network Security |
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