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Squid FTP Server Response Handling Denial of Service
Secunia Advisory: SA17271
Release Date: 2005-10-20
Popularity: 11,952 views

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

Software:Squid 2.x

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CVE reference:CVE-2005-3258


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

The vulnerability is caused due to an error in handling certain FTP server responses. This can be exploited to crash Squid by visiting a malicious FTP server via the proxy.

The vulnerability has been reported in Squid-2.5 and prior.

Solution:
Apply patch for 2.5.STABLE11:
http://www.squid-cache.org/Versions/v...-2.5.STABLE11-rfc1738_do_escape.patch

Provided and/or discovered by:
M.A.Young

Original Advisory:
http://www.squid-cache.org/Versions/v...#squid-2.5.STABLE11-rfc1738_do_escape


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