CVE-2020-5217

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/twitter/secure_headers/commit/936a160e3e9659737a9f9eafce13eea36b5c9fa3", "name": "https://github.com/twitter/secure_headers/commit/936a160e3e9659737a9f9eafce13eea36b5c9fa3", "tags": ["Patch"], "refsource": "MISC"}, {"url": "https://github.com/twitter/secure_headers/issues/418", "name": "https://github.com/twitter/secure_headers/issues/418", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/twitter/secure_headers/security/advisories/GHSA-xq52-rv6w-397c", "name": "https://github.com/twitter/secure_headers/security/advisories/GHSA-xq52-rv6w-397c", "tags": ["Mitigation", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://github.com/twitter/secure_headers/pull/421", "name": "https://github.com/twitter/secure_headers/pull/421", "tags": ["Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In Secure Headers (RubyGem secure_headers), a directive injection vulnerability is present in versions before 3.8.0, 5.1.0, and 6.2.0. If user-supplied input was passed into append/override_content_security_policy_directives, a semicolon could be injected leading to directive injection. This could be used to e.g. override a script-src directive. Duplicate directives are ignored and the first one wins. The directives in secure_headers are sorted alphabetically so they pretty much all come before script-src. A previously undefined directive would receive a value even if SecureHeaders::OPT_OUT was supplied. The fixed versions will silently convert the semicolons to spaces and emit a deprecation warning when this happens. This will result in innocuous browser console messages if being exploited/accidentally used. In future releases, we will raise application errors resulting in 500s. Depending on what major version you are using, the fixed versions are 6.2.0, 5.1.0, 3.8.0."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-74"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-5217", "ASSIGNER": "security-advisories@github.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}}, "publishedDate": "2020-01-23T03:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:twitter:secure_headers:*:*:*:*:*:ruby:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.8.0"}, {"cpe23Uri": "cpe:2.3:a:twitter:secure_headers:*:*:*:*:*:ruby:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.1.0", "versionStartIncluding": "5.0.0"}, {"cpe23Uri": "cpe:2.3:a:twitter:secure_headers:*:*:*:*:*:ruby:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.2.0", "versionStartIncluding": "6.0.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-05-21T13:51Z"}