CVE-2009-2904

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Summary

CVECVE-2009-2904
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-10-01 15:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v2.0 6.9 from [email protected]

AV:L/AC:M/Au:N/C:C/I:C/A:C

Problem Types: CWE-16 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 11 All All All
Application Openbsd Openssh 4.3 All All All
Application Openbsd Openssh 4.8 All All All
Operating System Redhat Enterprise Linux 5 All server All
Operating System Redhat Enterprise Linux Desktop 5 All client All
Operating System Redhat Enterprise Linux Eus 5 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
osvdb.org/58495 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
VMware vMA Update for Multiple Packages - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Red Hat Enterprise Linux OpenSSH 'ChrootDirectory' Option Local Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[Security-announce] VMSA-2010-0004 ESX Service Console and vMA third party updates af854a3a-2127-422b-91ae-364da2661108 lists.vmware.com
[SECURITY] Fedora 11 Update: openssh-5.2p1-6.fc11 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Bug 522141 – CVE-2009-2904 openssh: possible privilege escalation when using ChrootDirectory setting af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
VMware ESX Server 4 Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
Fedora update for openssh - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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