Description
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_proxy_v2_module and ngx_http_grpc_module modules. This vulnerability exists when the proxy_http_version to 2 or grpc_pass directives are used to proxy HTTP/2 traffic, the ignore_invalid_headers directive is set to off, and the large_client_header_buffers directive size is larger than 2 megabytes. A remote, unauthenticated attacker, along with conditions beyond their control, could send large headers while creating an upstream request. This may cause a heap-based buffer overflow in the NGINX worker process leading to a restart. Additionally, attackers can execute code on systems with Address Space Layout Randomization (ASLR) disabled or when the attacker can bypass ASLR. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS breakdown
Affected products
- F5 / dos4.9.0 – 4.9.0
- F5 / dos4.3.0 – 4.7.0
- F5 / nginx_app_protect_dos4.3.0 – 4.7.0
- F5 / NGINX App Protect WAF4.10.0 – 4.16.0
- F5 / NGINX Gateway Fabric1.3.0 – 1.6.2
- F5 / NGINX Ingress Controller3.5.0 – 3.7.2
- F5 / NGINX Ingress Controller3.5.0 – 3.7.2
- F5 / NGINX Ingress Controller4.0.0 – 4.0.0
- F5 / NGINX Ingress Controller4.0.1 – 4.0.1
- F5 / NGINX Instance Manager2.17.0 – 2.22.0
- F5 / NGINX Open Source1.30.0 – 1.30.3
- F5 / NGINX Open Source1.13.10 – 1.31.2
- F5 / NGINX Open Source1.31.1 – 1.31.1
- F5 / NGINX Open Source1.30.2 – 1.30.3
- F5 / NGINX Plusr32 – r32
- F5 / NGINX Plusr32 – r32
- F5 / NGINX Plusr32 – r32
- F5 / NGINX Plusr33 – r33
- F5 / NGINX Plusr33 – r33
- F5 / NGINX Plusr33 – r33
- F5 / NGINX Plusr33 – r33
- F5 / NGINX Plusr34 – r34
- F5 / NGINX Plusr34 – r34
- F5 / NGINX Plusr34 – r34
- F5 / NGINX Plusr35 – r35
- F5 / NGINX Plusr35 – r35
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plus37.0 – 37.0.2.1
- F5 / NGINX PlusR36 – R36 P6
- F5 / NGINX Plus37.0.0 – 37.0.1
- F5 / NGINX Plusr3 – r3
- F5 / NGINX Plusr30 – r30
- F5 / NGINX Plusr30 – r30
- F5 / NGINX Plusr30 – r30
- F5 / NGINX Plusr31 – r31
- F5 / NGINX Plusr31 – r31
- F5 / NGINX Plusr31 – r31
- F5 / NGINX Plusr31 – r31
- F5 / NGINX Plusr32 – r32
- F5 / NGINX Plusr32 – r32
- F5 / NGINX Plus37.0.0.1 – 37.0.2.1
- F5 / NGINX Plusr33 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / NGINX Plusr36 – r36
- F5 / waf5.9.0 – 5.13.1
- F5 / waf4.8.1 – 4.8.1
- RedHat / discovery
- RedHat / enterprise_linux9.0 – 9.0
- RedHat / enterprise_linux10.0 – 10.0
- RedHat / enterprise_linux8.0 – 8.0
- RedHat / hardened_images
- RedHat / update_infrastructure5.0 – 5.2