Authentication bypass in Erlang OTP

1) Improper Authentication

EUVDB-ID: #VU69581

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

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

External links

http://github.com/erlang/otp/compare/OTP-23.3.4.14...OTP-23.3.4.15
http://erlangforums.com/c/erlang-news-announcements/91
http://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.