cve-2025-0374
Vulnerability from cvelistv5
Published
2025-01-30 04:49
Modified
2025-02-07 17:02
Severity ?
EPSS score ?
Summary
When etcupdate encounters conflicts while merging files, it saves a version containing conflict markers in /var/db/etcupdate/conflicts. This version does not preserve the mode of the input file, and is world-readable. This applies to files that would normally have restricted visibility, such as /etc/master.passwd.
An unprivileged local user may be able to read encrypted root and user passwords from the temporary master.passwd file created in /var/db/etcupdate/conflicts. This is possible only when conflicts within the password file arise during an update, and the unprotected file is deleted when conflicts are resolved.
References
Impacted products
{ containers: { adp: [ { metrics: [ { cvssV3_1: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 6.5, baseSeverity: "MEDIUM", confidentialityImpact: "HIGH", integrityImpact: "NONE", privilegesRequired: "LOW", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, }, { other: { content: { id: "CVE-2025-0374", options: [ { Exploitation: "none", }, { Automatable: "no", }, { "Technical Impact": "total", }, ], role: "CISA Coordinator", timestamp: "2025-02-05T15:41:16.838358Z", version: "2.0.3", }, type: "ssvc", }, }, ], providerMetadata: { dateUpdated: "2025-02-05T15:43:07.693Z", orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0", shortName: "CISA-ADP", }, title: "CISA ADP Vulnrichment", }, { providerMetadata: { dateUpdated: "2025-02-07T17:02:52.274Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { url: "https://security.netapp.com/advisory/ntap-20250207-0007/", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { defaultStatus: "unknown", modules: [ "etcupdate", ], product: "FreeBSD", vendor: "FreeBSD", versions: [ { lessThan: "p1", status: "affected", version: "14.2-RELEASE", versionType: "release", }, { lessThan: "p7", status: "affected", version: "14.1-RELEASE", versionType: "release", }, { lessThan: "p3", status: "affected", version: "13.4-RELEASE", versionType: "release", }, ], }, ], credits: [ { lang: "en", type: "finder", value: "Christos Chatzaras", }, ], datePublic: "2025-01-29T21:45:18.000Z", descriptions: [ { lang: "en", value: "When etcupdate encounters conflicts while merging files, it saves a version containing conflict markers in /var/db/etcupdate/conflicts. This version does not preserve the mode of the input file, and is world-readable. This applies to files that would normally have restricted visibility, such as /etc/master.passwd.\n\nAn unprivileged local user may be able to read encrypted root and user passwords from the temporary master.passwd file created in /var/db/etcupdate/conflicts. This is possible only when conflicts within the password file arise during an update, and the unprotected file is deleted when conflicts are resolved.", }, ], problemTypes: [ { descriptions: [ { cweId: "CWE-732", description: "CWE-732 Incorrect Permission Assignment for Critical Resource", lang: "en", type: "CWE", }, ], }, ], providerMetadata: { dateUpdated: "2025-01-30T04:49:07.687Z", orgId: "63664ac6-956c-4cba-a5d0-f46076e16109", shortName: "freebsd", }, references: [ { tags: [ "vendor-advisory", ], url: "https://security.freebsd.org/advisories/FreeBSD-SA-25:03.etcupdate.asc", }, ], title: "Unprivileged access to system files", }, }, cveMetadata: { assignerOrgId: "63664ac6-956c-4cba-a5d0-f46076e16109", assignerShortName: "freebsd", cveId: "CVE-2025-0374", datePublished: "2025-01-30T04:49:07.687Z", dateReserved: "2025-01-10T08:54:23.906Z", dateUpdated: "2025-02-07T17:02:52.274Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { nvd: "{\"cve\":{\"id\":\"CVE-2025-0374\",\"sourceIdentifier\":\"secteam@freebsd.org\",\"published\":\"2025-01-30T05:15:10.527\",\"lastModified\":\"2025-02-07T17:15:30.903\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When etcupdate encounters conflicts while merging files, it saves a version containing conflict markers in /var/db/etcupdate/conflicts. This version does not preserve the mode of the input file, and is world-readable. This applies to files that would normally have restricted visibility, such as /etc/master.passwd.\\n\\nAn unprivileged local user may be able to read encrypted root and user passwords from the temporary master.passwd file created in /var/db/etcupdate/conflicts. This is possible only when conflicts within the password file arise during an update, and the unprotected file is deleted when conflicts are resolved.\"},{\"lang\":\"es\",\"value\":\"Cuando etcupdate encuentra conflictos al fusionar archivos, guarda una versión que contiene marcadores de conflicto en /var/db/etcupdate/conflicts. Esta versión no conserva el modo del archivo de entrada y es legible por todo el mundo. Esto se aplica a archivos que normalmente tendrían visibilidad restringida, como /etc/master.passwd. Un usuario local sin privilegios puede leer contraseñas de usuario y raíz cifradas desde el archivo temporal master.passwd manipulado en /var/db/etcupdate/conflicts. Esto es posible solo cuando surgen conflictos dentro del archivo de contraseñas durante una actualización y el archivo desprotegido se elimina cuando se resuelven los conflictos.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"secteam@freebsd.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-732\"}]}],\"references\":[{\"url\":\"https://security.freebsd.org/advisories/FreeBSD-SA-25:03.etcupdate.asc\",\"source\":\"secteam@freebsd.org\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20250207-0007/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}", vulnrichment: { containers: "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://security.netapp.com/advisory/ntap-20250207-0007/\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-02-07T17:02:52.274Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-0374\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-05T15:41:16.838358Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-01-30T15:47:47.675Z\"}}], \"cna\": {\"title\": \"Unprivileged access to system files\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Christos Chatzaras\"}], \"affected\": [{\"vendor\": \"FreeBSD\", \"modules\": [\"etcupdate\"], \"product\": \"FreeBSD\", \"versions\": [{\"status\": \"affected\", \"version\": \"14.2-RELEASE\", \"lessThan\": \"p1\", \"versionType\": \"release\"}, {\"status\": \"affected\", \"version\": \"14.1-RELEASE\", \"lessThan\": \"p7\", \"versionType\": \"release\"}, {\"status\": \"affected\", \"version\": \"13.4-RELEASE\", \"lessThan\": \"p3\", \"versionType\": \"release\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2025-01-29T21:45:18.000Z\", \"references\": [{\"url\": \"https://security.freebsd.org/advisories/FreeBSD-SA-25:03.etcupdate.asc\", \"tags\": [\"vendor-advisory\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"When etcupdate encounters conflicts while merging files, it saves a version containing conflict markers in /var/db/etcupdate/conflicts. This version does not preserve the mode of the input file, and is world-readable. This applies to files that would normally have restricted visibility, such as /etc/master.passwd.\\n\\nAn unprivileged local user may be able to read encrypted root and user passwords from the temporary master.passwd file created in /var/db/etcupdate/conflicts. This is possible only when conflicts within the password file arise during an update, and the unprotected file is deleted when conflicts are resolved.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-732\", \"description\": \"CWE-732 Incorrect Permission Assignment for Critical Resource\"}]}], \"providerMetadata\": {\"orgId\": \"63664ac6-956c-4cba-a5d0-f46076e16109\", \"shortName\": \"freebsd\", \"dateUpdated\": \"2025-01-30T04:49:07.687Z\"}}}", cveMetadata: "{\"cveId\": \"CVE-2025-0374\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-07T17:02:52.274Z\", \"dateReserved\": \"2025-01-10T08:54:23.906Z\", \"assignerOrgId\": \"63664ac6-956c-4cba-a5d0-f46076e16109\", \"datePublished\": \"2025-01-30T04:49:07.687Z\", \"assignerShortName\": \"freebsd\"}", dataType: "CVE_RECORD", dataVersion: "5.1", }, }, }
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Nomenclature
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