{ "id": "CVE-2017-9525", "sourceIdentifier": "cve@mitre.org", "published": "2017-06-09T16:29:02.110", "lastModified": "2021-12-16T18:44:58.590", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In the cron package through 3.0pl1-128 on Debian, and through 3.0pl1-128ubuntu2 on Ubuntu, the postinst maintainer script allows for group-crontab-to-root privilege escalation via symlink attacks against unsafe usage of the chown and chmod programs." }, { "lang": "es", "value": "En el paquete cron hasta la versi\u00f3n 3.0pl1-128 en Debian, y hasta la versi\u00f3n 3.0pl1-128ubuntu2 en Ubuntu, el script de mantenimiento postinst permite la escalada de privilegios de grupo-crontab a root por medio de ataques de enlace simb\u00f3lico (symlink) contra el uso no seguro de los programas chown y chmod." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 6.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.4, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-59" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:cron_project:cron:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.0pl1-128.", "matchCriteriaId": "E3444166-4E36-4879-BAC9-A90E13FFE19F" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*", "matchCriteriaId": "407BAF27-8E5E-49F3-9B83-2FDEEE87D981" }, { "vulnerable": false, "criteria": "cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C8919F1-CD33-437E-9627-69352B276BA3" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43" }, { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252" } ] } ] } ], "references": [ { "url": "http://bugs.debian.org/864466", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2017/06/08/3", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.securitytracker.com/id/1038651", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] } ] }