InfoSecBulletin Cybersecurity for mankind
NGINX team released important updates for their web server software and is advising users to upgrade as soon as possible. The updates fix four important vulnerabilities in the HTTP/3 implementation, especially affecting configurations using the “ngx_http_v3_module.”
CVE-2024-32760:
A vulnerability in NGINX Plus or NGINX OSS causes HTTP/3 QUIC module to be misconfigured, leading to potential termination of NGINX worker processes or other issues.
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CVE-2024-31079:
Vulnerabilities in NGINX can cause termination of worker processes due to a specific type of HTTP/3 request. Exploiting this issue involves timing the requests during the connection draining process, making it difficult for attackers to manipulate.
CVE-2024-35200:
A vulnerability caused by certain HTTP/3 requests, leading to NGINX worker process termination.
CVE-2024-34161:
NGINX Plus and NGINX OSS can experience a memory leakage problem when using the HTTP/3 QUIC module on networks with a Maximum Transmission Unit (MTU) of 4096 or more without fragmentation, potentially causing previously freed memory to leak due to undisclosed QUIC packets.
EzoicNGINX Plus users got an update called Release 32 (R32) with security patches and bug fixes, based on nginx 1.25.5.
The Medium severity vulnerabilities in NGINX’s HTTP/3 capabilities can pose a significant risk to websites and applications.
To ensure the security and stability of web services, administrators and users should update their NGINX installations to the latest versions, nginx 1.27.0 and 1.26.1, promptly.
