CVE-2020-9366 Memory corruption in n/a
A buffer overflow in GNU Screen allows attackers to crash the application or potentially execute arbitrary code via crafted output.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-9366?
CVE-2020-9366 is a critical memory corruption vulnerability in n/a, published on 24 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49. Specially crafted output, or a special program, could corrupt memory and crash Screen or possibly have unspecified other impact.
Weakness: CWE-787
Which versions are affected by CVE-2020-9366?
It affects 1 product.
Products include Gnu Screen.
How do I fix CVE-2020-9366?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-9366 being exploited?
There is no known exploitation of CVE-2020-9366 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2020-9366, DEBIAN-CVE-2020-9366, GHSA-fcx3-q2fc-3hrw.