CVE-2018-20839

{"id": "CVE-2018-20839", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 0.7}]}, "published": "2019-05-17T04:29:00.933", "references": [{"url": "http://www.securityfocus.com/bid/108389", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1803993", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/systemd/systemd/commit/9725f1a10f80f5e0ae7d9b60547458622aeb322f", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://github.com/systemd/systemd/pull/12378", "tags": ["Issue Tracking", "Patch"], "source": "cve@mitre.org"}, {"url": "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E", "tags": ["Mailing List"], "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20190530-0002/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "systemd 242 changes the VT1 mode upon a logout, which allows attackers to read cleartext passwords in certain circumstances, such as watching a shutdown, or using Ctrl-Alt-F1 and Ctrl-Alt-F2. This occurs because the KDGKBMODE (aka current keyboard mode) check is mishandled."}, {"lang": "es", "value": "El systemd 242 cambia el VT1 mode al terminar la sesi\u00f3n, esto permite a los atacantes leer contrase\u00f1as de texto simple en algunas circunstancias, tales como ver un apagado o usar Ctrl-Alt-F1 y Ctrl-Alt-F2. Esto ocurre porque la comprobaci\u00f3n KDGKBMODE (tambi\u00e9n conocido como modo de teclado actual) es manejada incorrectamente."}], "lastModified": "2024-10-24T17:34:43.873", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:systemd_project:systemd:242:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A00408E2-96BE-44A7-A389-90C6F6DE8157"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:cn1610_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB30733E-68FC-49C4-86C0-7FEE75C366BF"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:cn1610:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6361DAC6-600F-4B15-8797-D67F298F46FB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F74F467A-0C81-40D9-BA06-40FB8EF02C04"}, {"criteria": "cpe:2.3:a:netapp:solidfire_\\&_hci_management_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D6D700C5-F67F-4FFB-BE69-D524592A3D2E"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}