CVE-2024-33601 nscd: netgroup cache may terminate daemon on memory allocation failure
An attacker can cause the nscd daemon to crash via memory allocation failure in the netgroup cache, leading to denial of service for clients.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-33601?
CVE-2024-33601 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 6 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
nscd: netgroup cache may terminate daemon on memory allocation failure
The Name Service Cache Daemon's (nscd) netgroup cache uses xmalloc or xrealloc and these functions may terminate the process due to a memory allocation failure resulting in a denial of service to the clients. The flaw was introduced in glibc 2.15 when the cache was added to nscd.
This vulnerability is only present in the nscd binary.
Weakness: CWE-617
Which versions are affected by CVE-2024-33601?
It affects 11 products.
Products include Debian Debian Linux, Gnu Glibc, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware and 5 more.
How do I fix CVE-2024-33601?
Apply the vendor's patch.
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-2024-33601 being exploited?
There is no known exploitation of CVE-2024-33601 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-40282, AZL-40316, BELL-CVE-2024-33601, DEBIAN-CVE-2024-33601, GHSA-f4cf-2w52-c853, MINI-28rp-48v4-qhpm and 2 more.