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129 lines
3.8 KiB
JSON
129 lines
3.8 KiB
JSON
{
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"id": "CVE-2021-44421",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2022-03-10T17:44:15.447",
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"lastModified": "2022-03-15T15:22:28.337",
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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": "The pointer-validation logic in util/mem_util.rs in Occlum before 0.26.0 for Intel SGX acts as a confused deputy that allows a local attacker to access unauthorized information via side-channel analysis."
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},
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{
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"lang": "es",
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"value": "La l\u00f3gica de comprobaci\u00f3n de punteros en el archivo util/mem_util.rs en Occlum versiones anteriores a 0.26.0 para Intel SGX act\u00faa como una vulnerabilidad de tipo \"confused deputy\" que permite a un atacante local acceder a informaci\u00f3n no autorizada por medio de un an\u00e1lisis de canal lateral"
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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:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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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": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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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:L/AC:L/Au:N/C:P/I:N/A:N",
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"accessVector": "LOCAL",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "PARTIAL",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 2.1
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},
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"baseSeverity": "LOW",
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"exploitabilityScore": 3.9,
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"impactScore": 2.9,
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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-203"
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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:occlum_project:occlum:*:*:*:*:*:software_guard_extensions:*:*",
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"versionEndExcluding": "0.26.0",
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"matchCriteriaId": "5D98E9BC-3716-4728-A0E9-8B1D69CF6A97"
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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/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L130",
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"source": "cve@mitre.org",
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"tags": [
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"Exploit",
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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://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L51",
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"source": "cve@mitre.org",
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"tags": [
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"Exploit",
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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://github.com/occlum/occlum/commit/36918e42bf6732c4d3996bc99eb013eb6b90b249",
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"source": "cve@mitre.org",
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"tags": [
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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://github.com/occlum/occlum/compare/0.25.0...v0.26.0",
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"source": "cve@mitre.org",
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"tags": [
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"Third Party Advisory"
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]
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}
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]
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} |