Spoofing attack in OpenResty lua-nginx-module



| Updated: 2022-04-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-36309
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		lua-nginx-module
Web applications / Modules and components for CMS

Vendor OpenResty Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU62316

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-36309

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

lua-nginx-module: 0.10.0 - 0.10.15 rc1

CPE2.3 External links

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


Q & A

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.



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