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Squid "clientAbortBody()" and PUT/POST Denial of Service Vulnerabilities
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Secunia Advisory:
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SA12508
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Release Date:
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2004-09-13
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Last Update:
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2005-10-18
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Popularity:
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11,767 views
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | Squid 2.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2005-0718
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Description:
Two vulnerabilities have been reported in Squid, which can be exploited by malicious people to cause a DoS (Denial of Service).
1) A NULL pointer dereference error within the "clientAbortBody()" function can potentially be exploited to crash Squid by visiting a malicious web site via the proxy.
The vulnerability has been reported in Squid 2.5.STABLE5.
2) A error in dereferencing freed memory during an aborted PUT or POST request can potentially be exploited to crash Squid.
The vulnerability has been reported in Squid 2.5.STABLE7.
Solution:
Patches have been applied to version 2.5.STABLE5 and 2.5.STABLE7.
Provided and/or discovered by:
1) M.A.Young
2) Henrik Nordstrom
Changelog:
2005-02-22: Updated advisory.
2005-04-14: Added CVE reference.
2005-10-18: Updated title, "Description", "Solution", "Original Advisory" and credit sections.
Original Advisory:
http://www.squid-cache.org/bugs/show_bug.cgi?id=972
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE5-proxy_abuse
http://www.squid-cache.org/bugs/show_bug.cgi?id=1224
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-post
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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