National Cyber Awareness System
Vulnerability Summary for CVE-2009-2904
Original release date:10/01/2009
Last revised:08/21/2010
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: REDHAT
Name: RHSA-2009:1470
Type: Advisory
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=522141
External Source: VUPEN
Name: ADV-2010-0528
External Source: BID
Name: 36552
External Source: SECUNIA
Name: 39182
External Source: SECUNIA
Name: 38834
External Source: SECUNIA
Name: 38794
External Source: OVAL
Name: oval:org.mitre.oval:def:9862
External Source: OSVDB
Name: 58495
External Source: MLIST
Name: [security-announce] 20100303 VMSA-2010-0004 ESX Service Console and vMA third party updates
External Source: FEDORA
Name: FEDORA-2010-5429
References to Check Content
Identifier:oval:org.mitre.oval:def:9862
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5