NGINX: Worker Crashes via Undisclosed HTTP/3 QUIC Requests
CVE-2024-35200 Published on May 29, 2024
NGINX HTTP/3 QUIC vulnerability
When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 requests can cause NGINX worker processes to terminate.
Vulnerability Analysis
CVE-2024-35200 is exploitable 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 have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2024-35200
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Affected Versions
F5 NGINX Open Source:- Version 1.25.0 and below 1.26.1 is affected.
- Version R30 and below R32 is affected.
- Version r30, <= r31 is affected.
- Version 1.25.0, <= 1.26.0 is affected.
- Version 39 is affected.
- Version 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.