Input validation error in lua-nginx-module - CVE-2020-36309

Vulnerability identifier: #VU62316

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-36309

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing URI in HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and modify its response. As a result, an attacker can perform spoofing attack.

lua-nginx-module
VMware Tanzu Operations Manager
Ubuntu
nginx-light (Ubuntu package)
nginx-full (Ubuntu package)
nginx-core (Ubuntu package)
nginx-extras (Ubuntu package)
libnginx-mod-http-lua (Ubuntu package)

Install updates from vendor's website.

lua-nginx-module - update to 0.10.16
VMware Tanzu Operations Manager - addressed in versions 2.7.25, 2.8.16, 2.9.12, 2.10.3
nginx-light (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 1.14.0-0ubuntu1.10, 1.18.0-0ubuntu1.3, 1.18.0-6ubuntu11.1, 1.18.0-6ubuntu14.1
nginx-full (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 1.14.0-0ubuntu1.10, 1.18.0-0ubuntu1.3
nginx-core (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 1.14.0-0ubuntu1.10, 1.18.0-0ubuntu1.3, 1.18.0-6ubuntu11.1, 1.18.0-6ubuntu14.1
nginx-extras (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 1.14.0-0ubuntu1.10, 1.18.0-0ubuntu1.3, 1.18.0-6ubuntu11.1, 1.18.0-6ubuntu14.1
libnginx-mod-http-lua (Ubuntu package) - addressed in versions 1.14.0-0ubuntu1.10, 1.18.0-0ubuntu1.3

• https://github.com/openresty/lua-nginx-module/compare/v0.10.15...v0.10.16
• https://github.com/openresty/lua-nginx-module/pull/1654
• https://news.ycombinator.com/item?id=26712562
• https://security.netapp.com/advisory/ntap-20210507-0005/

• Spoofing attack in OpenResty lua-nginx-module
• Ubuntu update for nginx
• Ubuntu update for nginx
• VMware Tanzu Operations Manager update for nginx
• Ubuntu update for nginx