Reverse proxy flaw in Apache patch CVE-2011-3368

A security researcher has found that an old patch CVE-2011-3368 can still be exploited by a crafted request that could exploit a fully pateched Apache Web Server (even if Apache 2.2.21 with CVE-2011-3368 patch is applied) which would allow access to internal systems if the reverse proxy rules were configures incorrectly. Threads on line suggest to fix this flaw Apache should change the 'translate_name' hooks in 'mod_proxy' and 'mod_rewrite' which would enforce the requirement in the appropriate place.

December 5, 2011
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