CVE-2010-2956

Publication date 31 August 2010

Last updated 24 July 2024

Ubuntu priority

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.

Read the notes from the security team

Status

Show unmaintained releases

No maintained releases are affected by this CVE.

Package	Ubuntu Release	Status
sudo	10.04 LTS lucid	Fixed 1.7.2p1-1ubuntu5.2
	9.10 karmic	Fixed 1.7.0-1ubuntu2.5
	9.04 jaunty	Not affected
	8.04 LTS hardy	Not affected
	6.06 LTS dapper	Not affected

How can I get the fixes?
What do statuses mean?

Notes

jdstrand

root escalation, but requires non-standard sudoers setup sudo 1.6 is not affected (does not have ‘-g’ option)

References

MITRE
NVD
Launchpad
Debian

Related Ubuntu Security Notices (USN)

USN-983-1
Sudo vulnerability
7 September 2010

Other references

http://www.sudo.ws/sudo/alerts/runas_group.html
https://www.cve.org/CVERecord?id=CVE-2010-2956