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Last updated: 4/23/2014

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Vulnerability Summary for CVE-2008-4552

Original release date: 10/14/2008
Last revised: 01/22/2013
Source: US-CERT/NIST

Overview

The good_client function in nfs-utils 1.0.9, and possibly other versions before 1.1.3, invokes the hosts_ctl function with the wrong order of arguments, which causes TCP Wrappers to ignore netgroups and allows remote attackers to bypass intended access restrictions.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/AU:N/C:P/I:P/A:P) (legend)
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 unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/02/2009)
This issue affected Red Hat Enterprise Linux 5 and was addressed by https://rhn.redhat.com/errata/RHSA-2009-1321.html

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 33006
Type: Advisory
External Source: SECUNIA
Name: 32481
Type: Advisory
External Source: VUPEN
Name: ADV-2010-0528
Type: Advisory
External Source: UBUNTU
Name: USN-687-1
External Source: MANDRIVA
Name: MDVSA-2009:060
External Source: XF
Name: nfsutils-hostctl-security-bypass(45895)
External Source: MLIST
Name: [oss-security] 20120719 Re: CVE Request: quota: incorrect use of tcp_wrappers
External Source: SECUNIA
Name: 38833
Type: Advisory
External Source: SECUNIA
Name: 38794
Type: Advisory
External Source: BID
Name: 31823
Type: Patch Information
External Source: CONFIRM
Name: http://wiki.rpath.com/Advisories:rPSA-2008-0307
External Source: OVAL
Name: oval:org.mitre.oval:def:11544
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=458676
External Source: OVAL
Name: oval:org.mitre.oval:def:8325
External Source: SECUNIA
Name: 32346
Type: Advisory
External Source: BUGTRAQ
Name: 20081030 rPSA-2008-0307-1 nfs-client nfs-server nfs-utils
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=458676
External Source: MLIST
Name: [security-announce] 20100303 VMSA-2010-0004 ESX Service Console and vMA third party updates
External Source: MLIST
Name: [oss-security] 20120719 CVE Request: quota: incorrect use of tcp_wrappers
External Source: SECUNIA
Name: 36538
External Source: REDHAT
Name: RHSA-2009:1321

References to Check Content

Identifier: oval:org.mitre.oval:def:11544
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:8325
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)