CVE-2023-50433 Denial of service in n/a
Remote attackers can crash the DHCP server by sending malicious packets that trigger a type confusion and failed memory allocation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-50433?
CVE-2023-50433 is a medium-severity denial of service vulnerability in n/a, published on 29 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
marshall in dhcp_packet.c in simple-dhcp-server through ec976d2 allows remote attackers to cause a denial of service by sending a malicious DHCP packet. The crash is caused by a type confusion bug that results in a large memory allocation; when this memory allocation fails the DHCP server will crash.
Weakness: CWE-843
Which versions are affected by CVE-2023-50433?
How do I fix CVE-2023-50433?
No fix has been published for CVE-2023-50433 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-50433 being exploited?
There is no known exploitation of CVE-2023-50433 in the wild and no public exploit code.
Sources
Also known as GHSA-rgc8-28v5-r3w9.