CVE-2015-8623

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "matchCriteriaId": "3971880B-BD50-4E3D-96F0-D07F60D59923", "versionEndIncluding": "1.23.11", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.24.0:*:*:*:*:*:*:*", "matchCriteriaId": "0B21EB21-AE87-48BF-B4A1-5E63A2E116B4", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.24.1:*:*:*:*:*:*:*", "matchCriteriaId": "A6C00423-B3FE-485A-9014-22F409DBD377", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.24.2:*:*:*:*:*:*:*", "matchCriteriaId": "E90C95FB-71CA-4CA1-935D-58A08244A81F", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.24.3:*:*:*:*:*:*:*", "matchCriteriaId": "5DDBD41F-C2D5-4D7C-B069-FBC2C8EBB81C", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.24.4:*:*:*:*:*:*:*", "matchCriteriaId": "D92AA40C-3E9A-44E6-9833-06853B5BF453", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The User::matchEditToken function in includes/User.php in MediaWiki before 1.23.12 and 1.24.x before 1.24.5 does not perform token comparison in constant time before returning, which allows remote attackers to guess the edit token and bypass CSRF protection via a timing attack, a different vulnerability than CVE-2015-8624."}, {"lang": "es", "value": "La funci\u00f3n User::matchEditToken en includes/User.php en MediaWiki en versiones anteriores a 1.23.12 y 1.24.x en versiones anteriores a 1.24.5 no realiza comparaci\u00f3n de token en tiempo constante antes de regresar, lo que permite a atacantes remotos adivinar el token de edici\u00f3n y eludir la protecci\u00f3n CSRF a trav\u00e9s de un ataque de temporizaci\u00f3n, una vulnerabilidad diferente a CVE-2015-8624."}], "id": "CVE-2015-8623", "lastModified": "2026-06-17T00:34:52.340", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-03-23T20:59:00.483", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2015/12/21/8"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2015/12/23/7"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://gerrit.wikimedia.org/r/#/c/156336/5/includes/User.php"}, {"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://phabricator.wikimedia.org/T119309"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2015/12/21/8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2015/12/23/7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://gerrit.wikimedia.org/r/#/c/156336/5/includes/User.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://phabricator.wikimedia.org/T119309"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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