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CVE-2013-2765

Status Candidate

Overview

The ModSecurity module before 2.7.4 for the Apache HTTP Server allows remote attackers to cause a denial of service (NULL pointer dereference, process crash, and disk consumption) via a POST request with a large body and a crafted Content-Type header.

Related Files

Mandriva Linux Security Advisory 2013-187
Posted Jul 2, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-187 - When ModSecurity receives a request body with a size bigger than the value set by the SecRequestBodyInMemoryLimit and with a Content-Type that has no request body processor mapped to it, ModSecurity will systematically crash on every call to forceRequestBodyVariable (in phase 1).

tags | advisory
systems | linux, mandriva
advisories | CVE-2013-2765
SHA-256 | 8e9568efd15667c1287ddbf31ad02c896d6b93fac9ac4b3cc661e72f0dab2501
ModSecurity Remote Null Pointer Dereference
Posted May 29, 2013
Authored by Younes JAAIDI

When ModSecurity receives a request body with a size bigger than the value set by the "SecRequestBodyInMemoryLimit" and with a "Content-Type" that has no request body processor mapped to it, ModSecurity will systematically crash on every call to "forceRequestBodyVariable" (in phase 1). This is the proof of concept exploit. Versions prior to 2.7.4 are affected.

tags | exploit, proof of concept
advisories | CVE-2013-2765
SHA-256 | b4e14816e4c5cdc0de651f2cc750a97fa531e3a0c488cb71922a3bc534259845
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