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Squid Malformed Host Name Error Message Information Leakage
Secunia Advisory: SA13408
Release Date: 2004-12-09
Last Update: 2005-08-22
Popularity: 10,377 views

Critical:
Less critical
Impact: Exposure of system information
Exposure of sensitive information
Where: From remote
Solution Status: Vendor Patch

Software:Squid 2.x

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CVE reference:CVE-2004-2479


Description:
Artur Szostak has reported a vulnerability in Squid, which can be exploited by malicious people to gain knowledge of potentially sensitive information.

The vulnerability is caused due to an error when returning error messages in response to malformed host names. This may in certain circumstances leak random information about e.g. other requests in the error messages.

The vulnerability has been reported in Squid-2.5 on all platforms.

Solution:
Apply patch:
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-dothost.patch

Provided and/or discovered by:
Artur Szostak

Changelog:
2005-08-22: Added CVE reference.

Original Advisory:
http://www.squid-cache.org/bugs/show_bug.cgi?id=1143


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