ModSecurity before 2.7.3 allows remote attackers to read arbitrary files, send HTTP requests to intranet servers, or cause a denial of service (CPU and memory consumption) via an XML external entity declaration in conjunction with an entity reference, aka an XML External Entity (XXE) vulnerability.

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-1915
• owasp-modsecurity/ModSecurity@d4d80b3
• https://bugzilla.redhat.com/show_bug.cgi?id=947842
• https://github.com/SpiderLabs/ModSecurity/blob/master/CHANGES
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101898.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101911.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102616.html
• http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html
• http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html
• http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html
• http://secunia.com/advisories/52847
• http://secunia.com/advisories/52977
• http://www.debian.org/security/2013/dsa-2659
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:156
• http://www.openwall.com/lists/oss-security/2013/04/03/7
• http://www.securityfocus.com/bid/58810