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CVE-2009-2904

Date: October 1, 2009

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.

Severity Score

Related Resources (14)

http://secunia.com/advisories/38834
http://lists.fedoraproject.org/pipermail/package-announce/2010-March/038214.html
https://bugzilla.redhat.com/show_bug.cgi?id=522141
https://access.redhat.com/security/cve/CVE-2009-2904
http://www.vupen.com/english/advisories/2010/0528
http://secunia.com/advisories/38794
https://nvd.nist.gov/vuln/detail/CVE-2009-2904
http://osvdb.org/58495
http://secunia.com/advisories/39182
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9862
http://www.securityfocus.com/bid/36552
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
https://rhn.redhat.com/errata/RHSA-2009-1470.html
https://www.mend.io/vulnerability-database/CVE-2009-2904

Severity Score

Weakness Type (CWE)

Configuration

CWE-16

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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