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Last updated: 5/27/2016 2:36:06 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-2956

Original release date: 09/10/2010
Last revised: 01/21/2011


Sudo 1.7.0 through 1.7.4p3, when a Runas group is configured, does not properly handle use of the -u option in conjunction with the -g option, which allows local users to gain privileges via a command line containing a "-u root" sequence.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.2 MEDIUM
Impact Subscore: 10.0
Exploitability Subscore: 1.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: VUPEN
Name: ADV-2011-0025
External Source: VUPEN
Name: ADV-2010-2358
External Source: CONFIRM
Name: http://www.sudo.ws/sudo/alerts/runas_group.html
Type: Advisory
External Source: BUGTRAQ
Name: 20101027 rPSA-2010-0075-1 sudo
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=628628
External Source: UBUNTU
Name: USN-983-1
External Source: SUSE
Name: SUSE-SR:2010:017
External Source: REDHAT
Name: RHSA-2010:0675
External Source: VUPEN
Name: ADV-2010-2320
External Source: SECTRACK
Name: 1024392
External Source: GENTOO
Name: GLSA-201009-03
External Source: VUPEN
Name: ADV-2010-2318
External Source: BUGTRAQ
Name: 20110105 VMSA-2011-0001 VMware ESX third party updates for Service Console packages glibc, sudo, and openldap
External Source: MANDRIVA
Name: MDVSA-2010:175
External Source: VUPEN
Name: ADV-2010-2312
External Source: CONFIRM
Name: http://www.vmware.com/security/advisories/VMSA-2011-0001.html
External Source: CONFIRM
Name: http://wiki.rpath.com/Advisories:rPSA-2010-0075
External Source: BID
Name: 43019
External Source: FEDORA
Name: FEDORA-2010-14355

Technical Details

Vulnerability Type (View All)