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Last updated: 5/24/2016 9:19:14 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-0427

Original release date: 02/25/2010
Last revised: 01/21/2011


sudo 1.6.x before 1.6.9p21, when the runas_default option is used, does not properly set group memberships, which allows local users to gain privileges via a sudo command.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.4 MEDIUM
Impact Subscore: 6.4
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

Vendor Statements (disclaimer)

Official Statement from Red Hat (03/02/2010)
This issue was addressed in Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2010-0122.html It did not affect the versions of the sudo packages as shipped with Red Hat Enterprise Linux 3 and 4.

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://www.gratisoft.us/bugzilla/show_bug.cgi?id=349
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=567622
External Source: CONFIRM
Name: http://www.gratisoft.us/bugzilla/attachment.cgi?id=255
External Source: MLIST
Name: [oss-security] 20100224 Re: CVE assignment notification -- CVE-2010-0427 -- sudo fails to reset group permissions if runas_default set
External Source: GENTOO
Name: GLSA-201003-01
External Source: SUSE
Name: SUSE-SR:2010:006
External Source: UBUNTU
Name: USN-905-1
External Source: CONFIRM
Name: http://www.sudo.ws/cgi-bin/cvsweb/sudo/set_perms.c.diff?r1=
External Source: CONFIRM
Name: http://sudo.ws/repos/sudo/rev/aa0b6c01c462
External Source: OVAL
Name: oval:org.mitre.oval:def:10946
External Source: BUGTRAQ
Name: 20101027 rPSA-2010-0075-1 sudo
External Source: OVAL
Name: oval:org.mitre.oval:def:7216
External Source: SECTRACK
Name: 1023658
External Source: CONFIRM
Name: http://wiki.rpath.com/Advisories:rPSA-2010-0075
External Source: DEBIAN
Name: DSA-2006
External Source: MLIST
Name: [oss-security] 20100223 CVE assignment notification -- CVE-2010-0427 -- sudo fails to reset group permissions if runas_default set
External Source: CONFIRM
Name: ftp://ftp.sudo.ws/pub/sudo/sudo-1.6.9p21.patch.gz
Type: Patch Information

References to Check Content

Identifier: oval:org.mitre.oval:def:10946
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:7216
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

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