{"schemaVersion":3,"id":"CVE-2019-11387","aliases":["UBUNTU-CVE-2019-11387","DEBIAN-CVE-2019-11387"],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2019-04-21T01:14:49.000Z","modified":"2024-08-04T22:48:09.171Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","exploitability":10,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","exploitability":10,"impact":2.3,"computed":true}]},"epss":{"probability":0.02375,"percentile":0.83625,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.02375},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02375,"percentile":0.83625}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02375,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02375,"percentile":0.83625}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-400","name":"Uncontrolled Resource Consumption","description":"The product does not properly control the allocation and maintenance of a limited resource.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/400.html"}],"affected":[{"vendor":"debian","product":"modsecurity-crs","name":"modsecurity-crs","label":"modsecurity-crs","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/modsecurity-crs","purlType":"deb","versions":[{"text":"< 3.1.1-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.1.1-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"modsecurity-crs","name":"modsecurity-crs","label":"modsecurity-crs","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/modsecurity-crs","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"modsecurity","product":"owasp_modsecurity_core_rule_set","name":"owasp modsecurity core rule set","label":"owasp_modsecurity_core_rule_set","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 3.0.0, ≤ 3.1.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 3.0.0, ≤ 3.1.0","eol":null,"hubHref":"/vendor/modsecurity/owasp_modsecurity_core_rule_set"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1359","label":"github.com/SpiderLabs/owasp-modsecurity-crs/issues/1359","hostname":"github.com","tags":["X Refsource CONFIRM","Issue Tracking","Third Party Advisory","REPORT"]},{"url":"https://coreruleset.org/20190627/announcement-owasp-modsecurity-core-rule-set-version-3-1-1/","label":"coreruleset.org/20190627/announcement-owasp-modsecurity-core-rule-set-version-3-1-1/","hostname":"coreruleset.org","tags":["X Refsource CONFIRM","Release Notes","Vendor Advisory"]},{"url":"https://github.com/SpiderLabs/owasp-modsecurity-crs/blob/v3.1/dev/CHANGES","label":"github.com/SpiderLabs/owasp-modsecurity-crs/blob/v3.1/dev/CHANGES","hostname":"github.com","tags":["X Refsource CONFIRM","Release Notes","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-11387","label":"ubuntu.com/security/CVE-2019-11387","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-11387","label":"www.cve.org/CVERecord?id=CVE-2019-11387","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-11387","label":"security-tracker.debian.org/tracker/CVE-2019-11387","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-04-21T01:14:49.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T22:48:09.171Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T20:56:06.366Z","stale":false,"partial":false}}