PT-2023-8297 · Nginx+1 · Nginx+1

Published 2023-12-15 · Updated 2024-01-26 · CVE-2023-50919

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions GL.iNet devices versions prior to 4.5.0

Description An issue was discovered in GL.iNet devices, where there is an NGINX authentication bypass via Lua string pattern matching. This allows a remote attacker to bypass authentication and gain unauthorized access to protected information.

Recommendations For versions prior to 4.5.0, update to version 4.5.0 or later to resolve the issue. As a temporary workaround, consider restricting access to Lua scripts to minimize the risk of exploitation.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2024-00401

CVE-2023-50919

Affected Products

Gl.Inet

Nginx

References · 38

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/glinet_unauth_rce_cve_2023_50445.rb · Exploit
• 🔥 https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Authentication-bypass.md · Exploit
• https://bdu.fstec.ru/vul/2024-00401 · Security Note
• https://osv.dev/vulnerability/CVE-2023-50919 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-50919 · Security Note
• https://twitter.com/ET_Labs/status/1743392031186006255 · Twitter Post
• https://dl.gl-inet.com/?model=ar750&type=beta · Note
• https://dl.gl-inet.com/?model=ar750&type=beta · Note
• https://twitter.com/TheHackForce/status/1750848516421779774 · Twitter Post
• https://vuldb.com/ru/?id.250553 · Note
• https://dl.gl-inet.com/?model=mt1300&type=beta · Note
• https://dl.gl-inet.com/?model=mt1300&type=beta · Note
• https://dl.gl-inet.com/?model=mt6000 · Note
• https://twitter.com/ksg93rd/status/1750571486719402418 · Twitter Post
• https://dl.gl-inet.com/?model=ax1800&type=beta · Note