CVE-2011-0010 Auth bypass in n/a
Local attackers can bypass password authentication in sudo when changing group IDs, potentially escalating privileges if Runas groups are configured.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-0010?
CVE-2011-0010 is a medium-severity authentication bypass vulnerability in n/a, published on 18 Jan 2011. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
check.c in sudo 1.7.x before 1.7.4p5, when a Runas group is configured, does not require a password for command execution that involves a gid change but no uid change, which allows local users to bypass an intended authentication requirement via the -g option to a sudo command.
Weakness: CWE-264
Which versions are affected by CVE-2011-0010?
It affects 1 product.
Linux distribution packages (12)
sudo Red Hat:enterprise_linux:5::client | All versions | 0:1.7.2p1-13.el5 |
sudo-debuginfo Red Hat:enterprise_linux:5::client | All versions | 0:1.7.2p1-13.el5 |
sudo Red Hat:enterprise_linux:5::server | All versions | 0:1.7.2p1-13.el5 |
sudo-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:1.7.2p1-13.el5 |
sudo Red Hat:enterprise_linux:6::client | All versions | 0:1.7.4p5-5.el6 |
sudo-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:1.7.4p5-5.el6 |
sudo Red Hat:enterprise_linux:6::computenode | All versions | 0:1.7.4p5-5.el6 |
sudo-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:1.7.4p5-5.el6 |
sudo Red Hat:enterprise_linux:6::server | All versions | 0:1.7.4p5-5.el6 |
sudo-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:1.7.4p5-5.el6 |
sudo Red Hat:enterprise_linux:6::workstation | All versions | 0:1.7.4p5-5.el6 |
sudo-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 0:1.7.4p5-5.el6 |
Products include Todd Miller Sudo.
How do I fix CVE-2011-0010?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2011-0010 being exploited?
There is no known exploitation of CVE-2011-0010 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2011-0010, GHSA-mxvj-5g45-2vv5, RHSA-2011:0599, RHSA-2012:0309.