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Last updated: 4/30/2016 3:03:58 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2006-1174

Original release date: 05/28/2006
Last revised: 03/10/2011


useradd in shadow-utils before 4.0.3, and possibly other versions before 4.0.8, does not provide a required argument to the open function when creating a new user mailbox, which causes the mailbox to be created with unpredictable permissions and possibly allows attackers to read or modify the mailbox.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 3.7 LOW
Impact Subscore: 6.4
Exploitability Subscore: 1.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: High
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

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/06/2007)
Red Hat is aware of this issue and is tracking it via the following bugs: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=193053 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=229194 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/ The risks associated with fixing this bug are greater than the low severity security risk. We therefore currently have no plans to fix this flaw in Red Hat Enterprise Linux 2.1 which is in maintenance mode.

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External Source: BID
Name: 18111
Type: Patch Information
External Source: MANDRIVA
Name: MDKSA-2006:090
US-CERT Vulnerability Note: CERT-VN
Name: VU#312692
External Source: XF
Name: shadow-utils-useradd-file-permission(26958)
External Source: GENTOO
Name: GLSA-200606-02
External Source: VUPEN
Name: ADV-2007-3229
Type: Advisory
External Source: REDHAT
Name: RHSA-2007:0276
External Source: SECTRACK
Name: 1018221
External Source: REDHAT
Name: RHSA-2007:0431
External Source: FULLDISC
Name: 20070920 VMSA-2007-0006 Critical security updates for all supported versions of VMware ESX Server, VMware Server, VMware Workstation, VMware ACE, and VMware Player
External Source: SGI
Name: 20070602-01-P
External Source: BUGTRAQ
Name: 20070511 rPSA-2007-0096-1 shadow
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-249.htm
External Source: VUPEN
Name: ADV-2006-2006
Type: Advisory
External Source: CONFIRM
Name: http://cvs.pld.org.pl/shadow/NEWS?rev=1.109
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1357
External Source: OVAL
Name: oval:org.mitre.oval:def:10807

References to Check Content

Identifier: oval:org.mitre.oval:def:10807
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

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