CVE-2012-2337 Privilege escalation in n/a

High 7.2 Published 18 May 2012 Updated 6 Aug 2024

Local attackers can bypass sudo command restrictions on hosts with IPv4 addresses when netmask syntax is used, leading to privilege escalation.

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-2012-2337?

CVE-2012-2337 is a high-severity vulnerability in n/a, published on 18 May 2012. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

sudo 1.6.x and 1.7.x before 1.7.9p1, and 1.8.x before 1.8.4p5, does not properly support configurations that use a netmask syntax, which allows local users to bypass intended command restrictions in opportunistic circumstances by executing a command on a host that has an IPv4 address.

Weakness: CWE-264

Which versions are affected by CVE-2012-2337?

It affects 1 product.

Linux distribution packages (12)

`sudo` Red Hat:enterprise_linux:5::client	All versions	`0:1.7.2p1-14.el5_8`
`sudo-debuginfo` Red Hat:enterprise_linux:5::client	All versions	`0:1.7.2p1-14.el5_8`
`sudo` Red Hat:enterprise_linux:5::server	All versions	`0:1.7.2p1-14.el5_8`
`sudo-debuginfo` Red Hat:enterprise_linux:5::server	All versions	`0:1.7.2p1-14.el5_8`
`sudo` Red Hat:enterprise_linux:6::client	All versions	`0:1.7.4p5-12.el6_3`
`sudo-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:1.7.4p5-12.el6_3`
`sudo` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.7.4p5-12.el6_3`
`sudo-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.7.4p5-12.el6_3`
`sudo` Red Hat:enterprise_linux:6::server	All versions	`0:1.7.4p5-12.el6_3`
`sudo-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:1.7.4p5-12.el6_3`
`sudo` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.7.4p5-12.el6_3`
`sudo-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.7.4p5-12.el6_3`

Products include Todd Miller Sudo.

How do I fix CVE-2012-2337?

Upgrade to a fixed version.

Is CVE-2012-2337 being exploited?

There is no known exploitation of CVE-2012-2337 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2012-2337, DSA-2478-1, GHSA-69qw-r4p8-f6hq, RHSA-2012:1081.