Unrated severityOSV Advisory· Published Apr 21, 2019· Updated Aug 4, 2024
CVE-2019-11391
CVE-2019-11391
Description
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-933-APPLICATION-ATTACK-PHP.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with $a# at the beginning and nested repetition operators. NOTE: the software maintainer disputes that this is a vulnerability because the issue cannot be exploited via ModSecurity
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Affected products
2- Range: 2.2.7, v2.2.5, v2.2.6, …
- Range: <=3.1.0
Patches
Vulnerability mechanics
References
2- github.com/SpiderLabs/owasp-modsecurity-crs/issues/1357mitrex_refsource_MISC
- github.com/SpiderLabs/owasp-modsecurity-crs/issues/1372mitrex_refsource_MISC
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