Vulnerability identifier: #VU90994
Vulnerability risk: Medium
CVSSv4.0: 2.7 [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:
CWE-ID:
CWE-416
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
nginx
Server applications /
Web servers
NGINX Plus
Server applications /
Web servers
Vendor:
NGINX
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
nginx: 1.25.0 - 1.26.0
NGINX Plus: R30 P1 - R30, R31 P1 - R31
External links
https://my.f5.com/manage/s/article/K000139627
https://mailman.nginx.org/pipermail/nginx-announce/2024/GMY32CSHFH6VFTN76HJNX7WNEX4RLHF6.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.