{ "id": "CVE-2021-39917", "sourceIdentifier": "cve@gitlab.com", "published": "2021-12-13T16:15:08.913", "lastModified": "2021-12-16T02:57:47.750", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.9 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression related to quick actions features was susceptible to catastrophic backtracking that could cause a DOS attack." }, { "lang": "es", "value": "Se ha detectado un problema en GitLab CE/EE afectando a todas las versiones a partir de 12.9 anteriores a 14.3.6, todas las versiones a partir de 14.4 anteriores a 14.4.4, todas las versiones a partir de 14.5 anteriores a 14.5.2. Una expresi\u00f3n regular relacionada con las caracter\u00edsticas de las acciones r\u00e1pidas era susceptible de un retroceso catastr\u00f3fico que pod\u00eda causar un ataque DOS" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 3.6 }, { "source": "cve@gitlab.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 1.4 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-697" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "12.9.0", "versionEndExcluding": "14.3.6", "matchCriteriaId": "DEC0CC7F-765F-4D63-BC9D-8A0DCBDBCC9E" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "12.9.0", "versionEndExcluding": "14.3.6", "matchCriteriaId": "A1B5B973-0998-48D9-B359-3ED252F537F7" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "14.4.0", "versionEndExcluding": "14.4.4", "matchCriteriaId": "1E801B5F-9C94-4CB2-89ED-D071E567132C" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "14.4.0", "versionEndExcluding": "14.4.4", "matchCriteriaId": "7C38F838-02EA-4E2F-8493-57DD401EF911" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "14.5.0", "versionEndExcluding": "14.5.2", "matchCriteriaId": "95F59DF7-707C-4C43-8352-8115DAF1C533" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "14.5.0", "versionEndExcluding": "14.5.2", "matchCriteriaId": "64F26CC0-C99A-4748-963B-944F39E4B647" } ] } ] } ], "references": [ { "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39917.json", "source": "cve@gitlab.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://hackerone.com/reports/1277918", "source": "cve@gitlab.com", "tags": [ "Permissions Required", "Third Party Advisory" ] } ] }