CVE-2019-11389
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 next# at the…
Does this matter?
Lower severity and a low EPSS score (1.67%). Track it; it rarely justifies an emergency change on its own.
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 next# 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
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 1.67% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- modsecurity/owasp modsecurity core rule set
- Source
- cve@mitre.org
References
- https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1356Issue Tracking, Third Party Advisory
- https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1372Exploit, Issue Tracking, Third Party Advisory
- https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1356Issue Tracking, Third Party Advisory
- https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1372Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.