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Vulnerability record · CVE-2010-2956 · published 10 September 2010

CVE-2010-2956: Todd miller sudo vulnerability

Todd Miller · Sudo

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.

6.2 CVSS 2.0 Medium EPSS 0.36% · top 72.3%
6.2CVSS 2.0 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
44References
16 Jun 2026Last modified by NVD

Description

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.

AV:L/AC:H/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047516.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
http://secunia.com/advisories/40508 Vendor Advisory
http://secunia.com/advisories/41316 Vendor Advisory
http://secunia.com/advisories/42787
http://security.gentoo.org/glsa/glsa-201009-03.xml
http://wiki.rpath.com/Advisories:rPSA-2010-0075
http://www.mandriva.com/security/advisories?name=MDVSA-2010:175
http://www.redhat.com/support/errata/RHSA-2010-0675.html
http://www.securityfocus.com/archive/1/514489/100/0/threaded
http://www.securityfocus.com/archive/1/515545/100/0/threaded
http://www.securityfocus.com/bid/43019
http://www.securitytracker.com/id?1024392
http://www.sudo.ws/sudo/alerts/runas_group.html Vendor Advisory
http://www.ubuntu.com/usn/USN-983-1
http://www.vmware.com/security/advisories/VMSA-2011-0001.html
http://www.vupen.com/english/advisories/2010/2312
http://www.vupen.com/english/advisories/2010/2318
http://www.vupen.com/english/advisories/2010/2320
http://www.vupen.com/english/advisories/2010/2358
http://www.vupen.com/english/advisories/2011/0025
https://bugzilla.redhat.com/show_bug.cgi?id=628628
http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047516.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
http://secunia.com/advisories/40508 Vendor Advisory
http://secunia.com/advisories/41316 Vendor Advisory
http://secunia.com/advisories/42787
http://security.gentoo.org/glsa/glsa-201009-03.xml
http://wiki.rpath.com/Advisories:rPSA-2010-0075
http://www.mandriva.com/security/advisories?name=MDVSA-2010:175
http://www.redhat.com/support/errata/RHSA-2010-0675.html
http://www.securityfocus.com/archive/1/514489/100/0/threaded
http://www.securityfocus.com/archive/1/515545/100/0/threaded
http://www.securityfocus.com/bid/43019
http://www.securitytracker.com/id?1024392
http://www.sudo.ws/sudo/alerts/runas_group.html Vendor Advisory
http://www.ubuntu.com/usn/USN-983-1
http://www.vmware.com/security/advisories/VMSA-2011-0001.html
http://www.vupen.com/english/advisories/2010/2312
http://www.vupen.com/english/advisories/2010/2318

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-2956), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.