oss-security - squid DoS in external auth header parser

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Date: Mon, 20 Jul 2009 11:33:29 -0600
From: Vincent Danen <vdanen@...hat.com>
To: oss-security@...ts.openwall.com
Subject: squid DoS in external auth header parser

I noticed this on Debian's bts [1] and also on upstream's bugzilla [2]
but no CVE has been assigned (not sure if one has been requested or not,
but I've not seen a request come through here).

By the initial looks of things, it seems to be a fairly low severity
issue and may not be easy to duplicate/trigger.  The reporter didn't really
provide much in the way of a reproducer or relevant configs (and the
reference to zope auths makes me not even want to touch it).

Has anyone taken a look at this or has a CVE been requested for it?
Upstream has done nothing with this despite it being reported two weeks
ago.

[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982
[2] http://www.squid-cache.org/bugs/show_bug.cgi?id=2704

-- 
Vincent Danen / Red Hat Security Response Team

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