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TI-2009-02766 Aliases CVE-2009-2904GHSA-73m8-jfrm-fr4j

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

Priority LOW 30CWE-16Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.00318 24th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:*4.3VulnerableOpenBSD
cpe:2.3:a:openbsd:openssh:4.8:*:*:*:*:*:*:*4.8VulnerableOpenBSD
cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:*11Running onFedoraproject
cpe:2.3:o:redhat:enterprise_linux:5:*:server:*:*:*:*:*5Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:5:*:client:*:*:*:*:*5Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:5:*:*:*:*:*:*:*5Running onRed Hat
  • cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·OpenBSD
  • cpe:2.3:a:openbsd:openssh:4.8:*:*:*:*:*:*:* Versions 4.8 Vulnerable ·OpenBSD
  • cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:* Versions 11 Running on ·Fedoraproject
  • cpe:2.3:o:redhat:enterprise_linux:5:*:server:*:*:*:*:* Versions 5 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5:*:client:*:*:*:*:* Versions 5 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:5:*:*:*:*:*:*:* Versions 5 Running on ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2009:1470 Released 2009-09-30 · Red Hat rating Moderate
    openssh security update
    • Red Hat Enterprise Linux (v. 5 server) openssh-4.3p2-36.el5_4.2, openssh-4.3p2-36.el5_4.2.i386, openssh-4.3p2-36.el5_4.2.ia64 +13
    • Red Hat Enterprise Linux Desktop (v. 5 client) openssh-4.3p2-36.el5_4.2, openssh-4.3p2-36.el5_4.2.i386, openssh-askpass-4.3p2-36.el5_4.2 +5

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2009:1470
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2009:1470

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-2904
  2. 2026-10-03 Alias added: GHSA-73m8-jfrm-fr4j

References

Advisory 2

Other 5

  • TI-2023-19792 The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently… CVSS 3.1CRITICAL 9.8
  • TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
  • TI-2023-10601 OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during… CVSS 3.1MEDIUM 6.5
  • TI-2018-11033 OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying… CVSS 3.1MEDIUM 5.9
  • TI-2016-08105 Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4… CVSS 3.1HIGH 7.3
  • TI-2023-28040 In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host… CVSS 3.1MEDIUM 6.5
See all 145 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences