NGINX Open Source <=1.23.2 (ngx_http_mp4_module) Crash/Memory Disclosure
CVE-2022-41742 Published on October 19, 2022
NGINX ngx_http_mp4_module vulnerability CVE-2022-41742
NGINX Open Source before versions 1.23.2 and 1.22.1, NGINX Open Source Subscription before versions R2 P1 and R1 P1, and NGINX Plus before versions R27 P1 and R26 P1 have a vulnerability in the module ngx_http_mp4_module that might allow a local attacker to cause a worker process crash, or might result in worker process memory disclosure by using a specially crafted audio or video file. The issue affects only NGINX products that are built with the module ngx_http_mp4_module, when the mp4 directive is used in the configuration file. Further, the attack is possible only if an attacker can trigger processing of a specially crafted audio or video file with the module ngx_http_mp4_module.
Vulnerability Analysis
CVE-2022-41742 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity, and a high impact on availability.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2022-41742 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2022-41742
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Affected Versions
F5 NGINX:- Version Mainline and below 1.23.2 is affected.
- Version Stable and below 1.22.1 is affected.
- Version R27 and below R27-p1 is affected.
- Version R1 and below R26-p1 is affected.
- Version R2 and below R2 P1 is affected.
- Version R1 and below R1 P1 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.