Squid rfc1738_do_escape() FTP Server Response Processing Bug Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1015085
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SecurityTracker URL: http://securitytracker.com/id?1015085
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CVE Reference: CVE-2005-3258
(Links to External Site)
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Updated: Jun 15 2008
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Original Entry Date: Oct 20 2005
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Impact: Denial of service via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 2.5 and prior versions
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Description: A vulnerability was reported in Squid. A remote user can cause Squid to crash.
The rfc1738_do_escape() function does not properly process certain "odd" FTP server responses. A remote FTP server can supply specially crafted responses to a connect FTP client to cause Squid to crash.
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Impact: A remote user can cause Squid to crash.
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Solution: The vendor has issued a patch (patch squid-2.5.STABLE11-rfc1738_do_escape.patch), available at:
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE11-rfc1738_do_escape.patch
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Vendor URL: www.squid-cache.org/ (Links to External Site)
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Cause: Boundary error, Exception handling error
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Underlying OS: Linux (Any), UNIX (Any)
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Message History:
None.
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Source Message Contents
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Date: Wed, 19 Oct 2005 02:48:45 -0400
Subject: Squid vulnerability
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Segmentation fault in rfc1738_do_escape
synopsis In certain odd FTP server responses Squid may crash with a segmentation fault in rfc1738_do_
escape.
severity Major
date 2005-10-18 15:48
bugzilla #1426
versions Squid-2.5 and earlier
platforms All
patch squid-2.5.STABLE11-rfc1738_do_escape.patch
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE11-rfc1738_do_escape.patch
workaround deny access to the ftp protocol via the proxy
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