Glibc nscd Netgroup Cache DoS via Xmalloc (Introduced 2.15)
CVE-2024-33601 Published on May 6, 2024
nscd: netgroup cache may terminate daemon on memory allocation failure
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.
Vulnerability Analysis
CVE-2024-33601 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
What is an assertion failure Vulnerability?
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
CVE-2024-33601 has been classified to as an assertion failure vulnerability or weakness.
Products Associated with CVE-2024-33601
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Affected Versions
The GNU C Library glibc:- Version 2.15 and below 2.40 is affected.
- Version 2.15 and below 2.40 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.