SB2025050954 - MitM attack in Erlang OTP SSH
Published: May 9, 2025
Security Bulletin ID
SB2025050954
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Expected behavior violation (CVE-ID: CVE-2025-46712)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to OTP SSH fails to enforce strict kex handshake hardening measures by allowing optional messages to be exchanged. A remote attacker can perform a Man-in-the-Middle attack and inject these messages in a connection during the handshake.
Remediation
Install update from vendor's website.