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124 lines
3.7 KiB
JSON
124 lines
3.7 KiB
JSON
{
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"id": "CVE-2021-43411",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2021-11-07T18:15:07.693",
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"lastModified": "2022-07-12T17:42:04.277",
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"vulnStatus": "Analyzed",
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"descriptions": [
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{
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"lang": "en",
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"value": "An issue was discovered in GNU Hurd before 0.9 20210404-9. When trying to exec a setuid executable, there's a window of time when the process already has the new privileges, but still refers to the old task and is accessible through the old process port. This can be exploited to get full root access."
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},
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{
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"lang": "es",
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"value": "Se ha detectado un problema en GNU Hurd versiones anteriores a 0.9 20210404-9. Cuando se intenta ejecutar un ejecutable setuid, se presenta una ventana de tiempo cuando el proceso ya presenta los nuevos privilegios, pero todav\u00eda se refiere a la antigua tarea y es accesible mediante el antiguo puerto del proceso. Esto puede ser explotado para conseguir acceso completo de root"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 1.6,
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"impactScore": 5.9
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:N/AC:M/Au:S/C:C/I:C/A:C",
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"accessVector": "NETWORK",
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"accessComplexity": "MEDIUM",
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"authentication": "SINGLE",
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"confidentialityImpact": "COMPLETE",
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"integrityImpact": "COMPLETE",
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"availabilityImpact": "COMPLETE",
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"baseScore": 8.5
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},
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"baseSeverity": "HIGH",
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"exploitabilityScore": 6.8,
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"impactScore": 10.0,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-362"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:gnu:hurd:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "0.9.20210404-9",
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"matchCriteriaId": "F6A9E403-F3B3-4336-9A64-AEE7A1E2A0D9"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html",
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"source": "cve@mitre.org",
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"tags": [
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"Exploit",
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"Mailing List",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://salsa.debian.org/hurd-team/hurd/-/blob/4d1b079411e2f40576e7b58f9b5b78f733a2beda/debian/patches/0034-proc-Use-UIDs-for-evaluating-permissions.patch",
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"source": "cve@mitre.org",
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"tags": [
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"Mailing List",
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"Patch",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://www.mail-archive.com/bug-hurd@gnu.org/msg32112.html",
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"source": "cve@mitre.org",
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"tags": [
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"Exploit",
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"Vendor Advisory"
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]
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}
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]
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} |