bugtraq - nginx fix for malformed HTTP responses from upstream servers

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Message-ID: <alpine.BSF.2.00.1203151744020.1580@mp2.macomnet.net>
Date: Thu, 15 Mar 2012 17:48:47 +0400 (MSK)
From: security-bulletin@...nx.com
To: bugtraq@...urityfocus.com
Subject: nginx fix for malformed HTTP responses from upstream servers

Hello,

The nginx team has released stable version 1.0.14, and development
version 1.1.17 of nginx web server, which include a fix for malformed
HTTP responses from upstream servers:

http://trac.nginx.org/nginx/changeset/4535/nginx
http://trac.nginx.org/nginx/changeset/4531/nginx
http://trac.nginx.org/nginx/changeset/4530/nginx

http://nginx.org/en/security_advisories.html

Without this fix contents of previously freed memory might be sent to
a client if an upstream server returned specially crafted response,
potentially resulting in sensitive information leak.

Patch which can be applied to the earlier versions of nginx is here:
http://nginx.org/download/patch.2012.memory.txt

Thanks to Matthew Daley for spotting this one.

-- nginx team