CVE-2019-20797 Memory corruption in n/a
A buffer overflow in prboom-plus UDP packet handling allows remote attackers to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-20797?
CVE-2019-20797 is a high-severity memory corruption vulnerability in n/a, published on 17 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received UDP packets, as demonstrated by I_SendPacket or I_SendPacketTo in i_network.c.
Weakness: CWE-787
Which versions are affected by CVE-2019-20797?
It affects 1 product.
Linux distribution packages (3)
prboom-plus SUSE:Package Hub 15 SP1 | All versions | 2.5.1.4-bp151.4.3.1 |
prboom-plus openSUSE:Leap 15.1 | All versions | 2.5.1.4-lp151.3.3.1 |
prboom-plus openSUSE:Tumbleweed | All versions | 2.6.1um-1.2 |
Products include Prboom-Plus Project Prboom-Plus.
How do I fix CVE-2019-20797?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-20797 being exploited?
There is no known exploitation of CVE-2019-20797 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2019-20797, GHSA-r7jw-rw59-w3xm, UBUNTU-CVE-2019-20797, openSUSE-SU-2020:0807-1, openSUSE-SU-2020:0820-1, openSUSE-SU-2024:11192-1.