CVE-2022-41743: NGINX ngx_http_hls_module vulnerability CVE-2022-41743
NGINX Plus before versions R27 P1 and R26 P1 have a vulnerability in the module ngxhttphlsmodule that might allow a local attacker to corrupt NGINX worker memory, resulting in its crash or potential other impact using a specially crafted audio or video file. The issue affects only NGINX Plus when the hls 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 ngxhttphlsmodule.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
NGINX Plus (nginx_http_hls_module)to a version that resolves this vulnerability.Fixed in R27 P1 - Upgrade
Upgrade
NGINX Plus (nginx_http_hls_module)to a version that resolves this vulnerability.Fixed in R26 P1 - Compensating control
If hls directive is used, prevent external attackers from triggering processing of specially crafted audio/video files by limiting access to endpoints/paths that process HLS content (e.g., restrict upload/HTTP access for HLS).
Event History
Frequently Asked Questions
What is CVE-2022-41743?
CVE-2022-41743 is a vulnerability in NGINX Plus before versions R27 P1 and R26 P1 that allows a local attacker to corrupt NGINX worker memory, resulting in its crash or potential other impact using a specially crafted audio or video file.
What software is affected by CVE-2022-41743?
The affected software includes NGINX Plus versions R27 and R26.
What is the severity of CVE-2022-41743?
CVE-2022-41743 has a severity level of high.
How can I fix CVE-2022-41743?
To fix CVE-2022-41743, upgrade to NGINX Plus versions R27 P1 or R26 P1, which include the necessary security patches.
Where can I find more information about CVE-2022-41743?
You can find more information about CVE-2022-41743 on the F5 support website at the following link: [https://support.f5.com/csp/article/K01112063]