{"containers": {"cna": {"affected": [{"product": "gdm", "vendor": "GNOME", "versions": [{"status": "affected", "version": "3.24.1"}]}], "datePublic": "2017-09-11T00:00:00", "descriptions": [{"lang": "en", "value": "A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "LOW", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-592", "description": "CWE-592", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2018-07-26T15:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T18:28:16.573Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2017-12164", "datePublished": "2018-07-26T16:00:00", "dateReserved": "2017-08-01T00:00:00", "dateUpdated": "2024-08-05T18:28:16.573Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnome:gnome_display_manager:3.24.1:*:*:*:*:*:*:*", "matchCriteriaId": "E8E8A3E9-3626-4EC8-8EB6-54BBDEF504D0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen."}, {"lang": "es", "value": "Se ha descubierto una vulnerabilidad en gdm 3.24.1, en donde gdm greeter no establec\u00eda el valor booleano ran_once durante el inicio autom\u00e1tico de sesi\u00f3n. Si el inicio de sesi\u00f3n autom\u00e1tico estaba habilitado para una v\u00edctima, un atacante podr\u00eda simplemente seleccionar \"login as another user\" para desbloquear su pantalla."}], "id": "CVE-2017-12164", "lastModified": "2019-10-09T23:22:23.980", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "LOW", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 0.7, "impactScore": 3.4, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2018-07-26T16:29:00.327", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-665"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-592"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Tobias Guggenmos for reporting this issue.", "bugzilla": {"description": "gdm: lock screen can be circumvented when autologin is set", "id": "1490417", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1490417"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-287", "details": ["A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen.", "A flaw was discovered in the gdm where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enable for a victim, an attacker could simply select 'login as another user' to unlock their screen."], "name": "CVE-2017-12164", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "gdm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "gdm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "gdm", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-06-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-12164\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-12164"], "threat_severity": "Moderate"}