CVE-2009-2904

Home/CVE/A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat

CVE

A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat

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.

MEDIUM · CVSS 6.9 EPSS 0.00039

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules2 YARA rules0

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Affected Products & Versions

openbsd opensshall versions

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productmediumSuspicious OpenSSH Daemon Error

productmediumOpenSSH Server Listening On Socket

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Scoring & Timeline

6.9

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

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

Published to NVD01 Oct 2009 · 03:30 PM

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Vendor Advisories

rhsaRHSA-2009:1470Moderate

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.fedoraproject.org/pipermail/package-announce/2010-March/038214.html

http://lists.vmware.com/pipermail/security-announce/2010/000082.html

http://osvdb.org/58495

http://secunia.com/advisories/38794

http://secunia.com/advisories/38834

http://secunia.com/advisories/39182

Show all 11 references

http://www.securityfocus.com/bid/36552

http://www.vupen.com/english/advisories/2010/0528

https://bugzilla.redhat.com/show_bug.cgi?id=522141

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9862

https://rhn.redhat.com/errata/RHSA-2009-1470.htmlVendor Advisory

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