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Squid NTLM Authentication Handling Denial of Service Advisory Available in Danish 

Secunia Advisory: SA16992  
Release Date: 2005-09-30

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:Squid 2.x

CVE reference:CVE-2005-2917 (Secunia mirror)

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Description:
Mike Diggins has reported a vulnerability in Squid, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in handling changes in the authentication scheme when NTLM authentication is used. This may be exploited to crash the service.

Solution:
Apply patch for 2.5.STABLE10:
http://www.squid-cache.org/Versions/v...5.STABLE10-NTLM-scheme_assert-3.patch

Provided and/or discovered by:
Mike Diggins

Original Advisory:
http://www.squid-cache.org/bugs/show_bug.cgi?id=1391



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

20 Related Secunia Security Advisories, displaying 10

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5. Squid "storeBuffer()" Denial of Service Vulnerability
6. Squid "sslConnectTimeout()" Denial of Service Vulnerability
7. Squid DNS Lookup Spoofing Vulnerability
8. Squid HTTP Specifications Web Proxy Cache Poisoning
9. Squid Set-Cookie Header Leak Security Issue
10. Squid FQDN Lookup Denial of Service Vulnerability

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