National Cyber-Alert System
Vulnerability Summary for CVE-2008-4212
Original release date:10/10/2008
Last revised:02/10/2009
Source:
US-CERT/NIST
Overview
Unspecified vulnerability in rlogind in the rlogin component in Mac OS X 10.4.11 and 10.5.5 applies hosts.equiv entries to root despite what is stated in documentation, which might allow remote attackers to bypass intended access restrictions.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- Official Statement from Red Hat (10/25/2008)
-
Not vulnerable. This issue did not affect the versions of rsh-server packages as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
The glibcs ruserok function is used to check users authorization against rhosts files. That implementation of ruserok never opens /etc/hosts.equiv for superuser.
References to Advisories, Solutions, and Tools
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External Source: BID
Name: 31681
Type: Patch Information
External Source: VUPEN
Name: ADV-2008-2780
Type: Advisory; Patch Information
External Source: XF
Name: macosx-rlogin-weak-security(45785)
External Source: SECTRACK
Name: 1021028
External Source: BID
Name: 31708
External Source: CONFIRM
Name: http://support.apple.com/kb/HT3216
External Source: SECUNIA
Name: 32222
Type: Advisory
External Source: APPLE
Name: APPLE-SA-2008-10-09
Type: Advisory