National Cyber-Alert System
Vulnerability Summary for CVE-2006-5794
Original release date:11/08/2006
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
Unspecified vulnerability in the sshd Privilege Separation Monitor in OpenSSH before 4.5 causes weaker verification that authentication has been successful, which might allow attackers to bypass authentication. NOTE: as of 20061108, it is believed that this issue is only exploitable by leveraging vulnerabilities in the unprivileged process, which are not known to exist.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- Official Statement from Red Hat (03/14/2007)
-
Red Hat is aware of this issue and is tracking it via bug 214640:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=214640
for Red hat Enterprise Linux 3 and 4.
This issue does not affect Red Hat Enterprise Linux 2.1
The Red Hat Security Response Team has rated this issue as having low security impact, a future update will address this flaw. More information regarding issue severity can be found here:
http://www.redhat.com/security/updates/classification/
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
References to Advisories, Solutions, and Tools
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External Source: BID
Name: 20956
Type: Patch Information
External Source: VUPEN
Name: ADV-2006-4399
Type: Advisory; Patch Information
External Source: SECUNIA
Name: 22773
Type: Advisory; Patch Information
External Source: SECUNIA
Name: 22771
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://www.openssh.org/txt/release-4.5
External Source: CONFIRM
Name: http://sourceforge.net/project/shownotes.php?release_id=461854&group_id=69227
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-766
External Source: XF
Name: openssh-separation-verificaton-weakness(30120)
External Source: CONFIRM
Name: http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
External Source: CONFIRM
Name: http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
External Source: BUGTRAQ
Name: 20061109 rPSA-2006-0207-1 openssh openssh-client openssh-server
External Source: OPENPKG
Name: OpenPKG-SA-2006.032
External Source: SUSE
Name: SUSE-SR:2006:026
External Source: MANDRIVA
Name: MDKSA-2006:204
External Source: VUPEN
Name: ADV-2006-4400
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-048.htm
External Source: CONFIRM
Name: http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
External Source: SECTRACK
Name: 1017183
External Source: SECUNIA
Name: 24055
External Source: SECUNIA
Name: 23680
External Source: SECUNIA
Name: 23513
External Source: SECUNIA
Name: 22932
External Source: SECUNIA
Name: 22872
External Source: SECUNIA
Name: 22814
External Source: SECUNIA
Name: 22778
External Source: SECUNIA
Name: 22772
External Source: REDHAT
Name: RHSA-2006:0738
External Source: MANDRIVA
Name: MDKSA-2006:204
External Source: SGI
Name: 20061201-01-P
