Vulnerability Details : CVE-2019-11387
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-942-APPLICATION-ATTACK-SQLI.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with nested repetition operators.
Vulnerability category: Denial of service
Products affected by CVE-2019-11387
- Modsecurity » Owasp Modsecurity Core Rule SetVersions from including (>=) 3.0.0 and up to, including, (<=) 3.1.0cpe:2.3:a:modsecurity:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-11387
0.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-11387
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2019-11387
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-11387
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https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1359
Vulnerable regexp in rule 942260, 942490 (was: 942330) · Issue #1359 · SpiderLabs/owasp-modsecurity-crs · GitHubIssue Tracking;Third Party Advisory
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https://github.com/SpiderLabs/owasp-modsecurity-crs/blob/v3.1/dev/CHANGES
owasp-modsecurity-crs/CHANGES at v3.1/dev · SpiderLabs/owasp-modsecurity-crs · GitHubRelease Notes;Third Party Advisory
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https://coreruleset.org/20190627/announcement-owasp-modsecurity-core-rule-set-version-3-1-1/
Announcement: OWASP ModSecurity Core Rule Set Version 3.1.1 – OWASP ModSecurity Core Rule SetRelease Notes;Vendor Advisory
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