{"id":"CVE-2009-2904","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-2904","generatedAt":"2026-10-27T17:39:32.824Z","title":"A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat Enterprise Linux (RHEL) 5.4 and Fedora 11, allows local users to gain privileges via hard links to setuid programs that use…","description":"A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat Enterprise Linux (RHEL) 5.4 and Fedora 11, allows local users to gain privileges via hard links to setuid programs that use configuration files within the chroot directory, related to requirements for directory ownership.","published":"2009-10-01T15:30:00.000Z","lastModified":"2026-06-16T23:10:28.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":6.9,"severity":"MEDIUM","vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C"},"cwe":["CWE-16"],"affected":["openbsd/openssh"],"epss":{"score":0.00318,"percentile":0.24569,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-March/038214.html","source":"secalert@redhat.com"},{"url":"http://lists.vmware.com/pipermail/security-announce/2010/000082.html","source":"secalert@redhat.com"},{"url":"http://osvdb.org/58495","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/38794","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/38834","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/39182","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/36552","source":"secalert@redhat.com"},{"url":"http://www.vupen.com/english/advisories/2010/0528","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=522141","source":"secalert@redhat.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9862","source":"secalert@redhat.com"},{"url":"https://rhn.redhat.com/errata/RHSA-2009-1470.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-March/038214.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.vmware.com/pipermail/security-announce/2010/000082.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/58495","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/38794","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/38834","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/39182","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/36552","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2010/0528","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=522141","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9862","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://rhn.redhat.com/errata/RHSA-2009-1470.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-2904","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}