medium5.3
CVE-2019-11391
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0.
Impact
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
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Modsecurity | Owasp Modsecurity Core Rule Set | through 3.1.0 |