Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*", "matchCriteriaId": "3A4B1AF3-B872-4699-9EFF-BD9B9822B5D7", "versionEndExcluding": "6.1.7.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDA4E147-AAD7-4EA9-BB6B-8358610FEE9A", "versionEndExcluding": "7.0.4.1", "versionStartIncluding": "7.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "F841AE5D-60DD-4E3A-854A-9B7B906BF7E7", "versionEndExcluding": "3.2.0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately."}], "id": "CVE-2023-22795", "lastModified": "2024-11-21T07:45:26.440", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-02-09T20:15:11.420", "references": [{"source": "support@hackerone.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118"}, {"source": "support@hackerone.com", "url": "https://security.netapp.com/advisory/ntap-20240202-0010/"}, {"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5372"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240202-0010/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5372"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-1333"}], "source": "nvd@nist.gov", "type": "Primary"}]}