CVE-2019-12937 Memory corruption in n/a
A buffer overflow in gsudo allows local attackers to escalate privileges to root via the DISPLAY environment variable.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-12937?
CVE-2019-12937 is a high-severity memory corruption vulnerability in n/a, published on 23 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
apps/gsudo.c in gsudo in ToaruOS through 1.10.9 has a buffer overflow allowing local privilege escalation to the root user via the DISPLAY environment variable.
Weakness: CWE-787
Which versions are affected by CVE-2019-12937?
It affects 1 product.
Products include Toaruos Project Toaruos.
How do I fix CVE-2019-12937?
No fix has been published for CVE-2019-12937 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-12937 being exploited?
There is no known exploitation of CVE-2019-12937 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 GHSA-cjrm-ccjq-r9vp.