CVE-2019-11391

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
** DISPUTED ** 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.
Overview
  • CVE ID
  • CVE-2019-11391
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-04-21T02:29:00
  • Last Modified Date
  • 2022-03-30T18:42:07
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:modsecurity:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:* 1 OR 3.1.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • LOW
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1357 Issue Tracking Third Party Advisory
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1372 Exploit Issue Tracking Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-11391
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11391
History
Created Old Value New Value Data Type Notes
2022-04-04 00:40:06 Added to TrackCVE
2022-12-03 19:47:27 2019-04-21T02:29Z 2019-04-21T02:29:00 CVE Published Date updated
2022-12-03 19:47:27 2022-03-30T18:42:07 CVE Modified Date updated
2022-12-03 19:47:27 Analyzed Vulnerability Status updated