Resource exhaustion in Modsecurity Owasp Core Rule Set
CVE-2019-11388
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-932-APPLICATION-ATTACK-RCE.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with nested repetition operators. NOTE: the software maintainer disputes that this is a vulnerability because the issue cannot be exploited via ModSecurity
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.016 (75.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/SpiderLabs/owasp-modsecurity-crs/issues/1354 (Third Party Advisory, Issue Tracking)
- github.com/SpiderLabs/owasp-modsecurity-crs/issues/1372 (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2019-11388?
- CVE-2019-11388 is a medium-severity vulnerability in Modsecurity Owasp Core Rule Set, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2019-04-21.
- How severe is CVE-2019-11388?
- Medium severity. CVSS v3 base score is 5.3 out of 10.