Authentication bypass in Erlang OTP

1) Improper Authentication

EUVDB-ID: #VU69581

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-37026

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when handling certain client-certification situations for SSL, TLS, and DTLS. A remote attacker can bypass authentication process and compromise the affected system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

otp: 23.0 - 25.0.1

CPE2.3

• cpe:2.3:a:erlang:otp:23.0:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.1:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:erlang:otp:23.1.4:*:*:*:*:*:*:*

External links

https://github.com/erlang/otp/compare/OTP-23.3.4.14...OTP-23.3.4.15
https://erlangforums.com/c/erlang-news-announcements/91
https://erlangforums.com/t/otp-25-1-released/1854

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.