CVE-2020-27678

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:illumos:illumos:*:*:*:*:*:*:*:*", "matchCriteriaId": "FCBBCFC9-C8F7-472C-AFFC-2C9DB468A719", "versionEndExcluding": "2020-10-22", "vulnerable": true}, {"criteria": "cpe:2.3:o:joyent:smartos:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9CD98CE-647E-4654-9F8E-A32440D8B993", "versionEndExcluding": "20201022", "vulnerable": true}, {"criteria": "cpe:2.3:o:omniosce:omnios:*:*:*:*:community:*:*:*", "matchCriteriaId": "1A57BCA3-0D16-4232-9AA5-355827FC73F5", "versionEndExcluding": "r151030by", "vulnerable": true}, {"criteria": "cpe:2.3:o:omniosce:omnios:*:*:*:*:community:*:*:*", "matchCriteriaId": "D53ADD04-9E73-4D07-AC1E-D9E545801EAD", "versionEndIncluding": "r151032ay", "versionStartIncluding": "r151032", "vulnerable": true}, {"criteria": "cpe:2.3:o:omniosce:omnios:*:*:*:*:*:*:*:*", "matchCriteriaId": "67552C06-4B78-452B-A911-9C56F673B523", "versionEndExcluding": "r151034y", "versionStartIncluding": "r151034", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c."}, {"lang": "es", "value": "Se detect\u00f3 un problema en illumos antes del 22-10-2020, como es usado en OmniOS versiones anteriores a r151030by, r151032ay y r151034y y SmartOS versiones anteriores a 20201022. Se presenta un desbordamiento de b\u00fafer en la funci\u00f3n parse_user_name en la biblioteca lib/libpam/pam_framework.c"}], "id": "CVE-2020-27678", "lastModified": "2026-06-17T03:09:29.107", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-26T12:17:12.693", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/illumos/illumos-gate/commit/1d276e0b382cf066dae93640746d8b4c54d15452"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/illumos/illumos-gate/commit/1d276e0b382cf066dae93640746d8b4c54d15452"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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