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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 >> Denial of Service >> Squid NTLM Authentication Denial Of Service Vulnerability

Squid NTLM Authentication Denial Of Service Vulnerability

Vulnerability Assessment Summary Checks for NTLM authentication denial of service vulnerability in Squid Detailed Explanation for this Vulnerability Assessment Summary : The remote web proxy server is prone to denial of service attacks. Description : The version of Squid, an open-source web proxy cache, installed on the remote host will abort if it receives a specially-crafted NTLM challenge packet. A remote attacker can exploit this issue to stop the affected application, thereby denying access to legitimate users. See also : http://www.squid-cache.org/bugs/show_bug.cgi?id=1391 Solution : Apply the patch referenced in the bug report or upgrade to Squid 2.5.STABLE11 or later. Network Security Threat Level: Medium / CVSS Base Score : 4 (AV:R/AC:L/Au:NR/C:N/A:P/I:N/B:A) Networks Security ID: 14977 Vulnerability Assessment Copyright: This script is Copyright (C) 2005-2006 Tenable Network Security

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