CVE-2015-8239 Race condition in n/a
Local attackers can exploit a race condition in sudo's SHA-2 digest support to replace command files before execution, 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-2015-8239?
CVE-2015-8239 is a high-severity vulnerability in n/a, published on 10 Oct 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.
Weakness: CWE-362
Which versions are affected by CVE-2015-8239?
It affects 1 product.
Products include Sudo Project Sudo.
How do I fix CVE-2015-8239?
Apply the vendor's patch.
Is CVE-2015-8239 being exploited?
There is no known exploitation of CVE-2015-8239 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2015-8239, GHSA-w2j3-vrwq-vgh5, MGASA-2016-0261, UBUNTU-CVE-2015-8239.