CVE-2020-28049

{"id": "CVE-2020-28049", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.3, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.0}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.0}]}, "published": "2020-11-04T19:15:12.137", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00031.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-28049", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/sddm/sddm/blob/v0.19.0/ChangeLog", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/sddm/sddm/releases", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00009.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GT3EX5NSQJJAKY63ENSMEDX6NYZLYY3S/", "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202402-02", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2020/dsa-4783", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00031.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-28049", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/sddm/sddm/blob/v0.19.0/ChangeLog", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/sddm/sddm/releases", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00009.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GT3EX5NSQJJAKY63ENSMEDX6NYZLYY3S/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202402-02", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4783", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-362"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents and, for example, intercept keystrokes or access the clipboard. This is caused by a race condition during Xauthority file creation."}, {"lang": "es", "value": "Se detect\u00f3 un problema en SDDM versiones anteriores a 0.19.0. Inicia incorrectamente el servidor X de una manera que, durante un corto per\u00edodo de tiempo, permite a usuarios locales no privilegiados crear una conexi\u00f3n con el servidor X sin proveer la autenticaci\u00f3n apropiada. Un atacante local puede as\u00ed acceder al contenido de la pantalla del servidor X y, por ejemplo, interceptar las pulsaciones de teclas o acceder al portapapeles. Esto es causado por una condici\u00f3n de carrera durante la creaci\u00f3n del archivo Xauthority"}], "lastModified": "2024-11-21T05:22:16.820", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sddm_project:sddm:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "60556593-5A80-41B1-ACF2-0EB00D14E2BA", "versionEndExcluding": "0.19.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}, {"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}