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107 lines
3.7 KiB
JSON
107 lines
3.7 KiB
JSON
{
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"id": "CVE-2023-30571",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2023-05-29T20:15:09.513",
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"lastModified": "2023-06-05T16:40:57.930",
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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": "Libarchive through 3.6.2 can cause directories to have world-writable permissions. The umask() call inside archive_write_disk_posix.c changes the umask of the whole process for a very short period of time; a race condition with another thread can lead to a permanent umask 0 setting. Such a race condition could lead to implicit directory creation with permissions 0777 (without the sticky bit), which means that any low-privileged local user can delete and rename files inside those directories."
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},
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{
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"lang": "es",
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"value": "Libarchive hasta la versi\u00f3n 3.6.2 puede hacer que los directorios tengan permisos de escritura global. La llamada \"umask()\" dentro del archivo \"archive_write_disk_posix.c\" cambia la m\u00e1scara de usuario de todo el proceso durante un periodo de tiempo muy corto; una condici\u00f3n de carrera con otro hilo puede llevar a un ajuste permanente de la m\u00e1scara de usuario a 0. Tal condici\u00f3n de carrera podr\u00eda llevar a la creaci\u00f3n impl\u00edcita de directorios con permisos 0777, sin el bit adhesivo (\"sticky bit\"), lo que significa que cualquier usuario local con pocos privilegios puede borrar y renombrar archivos dentro de esos directorios. "
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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:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
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"attackVector": "LOCAL",
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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": "NONE",
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"integrityImpact": "LOW",
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"availabilityImpact": "HIGH",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.0,
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"impactScore": 4.2
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},
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{
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"source": "cve@mitre.org",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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"userInteraction": "REQUIRED",
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"scope": "CHANGED",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"baseScore": 3.9,
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"baseSeverity": "LOW"
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},
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"exploitabilityScore": 0.8,
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"impactScore": 2.7
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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:libarchive:libarchive:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "3.6.2",
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"matchCriteriaId": "3B32A1BB-6BB8-4D7F-ADCA-62727C4BA74E"
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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://github.com/libarchive/libarchive/issues/1876",
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"source": "cve@mitre.org",
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"tags": [
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"Issue Tracking"
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]
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},
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{
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"url": "https://groups.google.com/g/libarchive-announce",
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"source": "cve@mitre.org",
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"tags": [
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"Release Notes"
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]
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}
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]
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} |