Use-after-free in nginx and NGINX Plus - CVE-2024-34161
Published: June 4, 2024
Vulnerability identifier: #VU90994
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-34161
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
nginx
NGINX Plus
nginx
NGINX Plus
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a use-after-free error within the HTTP/3 QUIC module (ngx_http_v3_module). A remote attacker can send specially crafted HTTP/3 requests to the web server and read parts of free memory.
Remediation
Install updates from vendor's website.