CVE-2015-8023

{"id": "CVE-2015-8023", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-11-18T16:59:07.587", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00025.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00139.html", "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2015/dsa-3398", "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/84947", "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-2811-1", "source": "cve@mitre.org"}, {"url": "https://www.strongswan.org/blog/2015/11/16/strongswan-vulnerability-%28cve-2015-8023%29.html", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-264"}]}], "descriptions": [{"lang": "en", "value": "The server implementation of the EAP-MSCHAPv2 protocol in the eap-mschapv2 plugin in strongSwan 4.2.12 through 5.x before 5.3.4 does not properly validate local state, which allows remote attackers to bypass authentication via an empty Success message in response to an initial Challenge message."}, {"lang": "es", "value": "La implementaci\u00f3n del servidor del protocolo EAP-MSCHAPv2 en el plugin eap-mschapv2 en strongSwan 4.2.12 hasta la versi\u00f3n 5.x en versiones anteriores a 5.3.4 no valida adecuadamente el estado local, lo que permite a atacantes remotos eludir la autenticaci\u00f3n a trav\u00e9s de un mensaje Success vac\u00edo en respuesta a un mensaje Challenge inicial."}], "lastModified": "2023-11-07T02:28:06.693", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F38D3B7E-8429-473F-BB31-FC3583EE5A5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:strongswan:strongswan:4.2.12:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "38209DC9-3BE6-49EF-8BA1-6E2BC5D24FEF"}, {"criteria": "cpe:2.3:a:strongswan:strongswan:4.2.13:*:*:*:*:*:*:*", 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