SB2025072243 - Ubuntu update for erlang
Published: July 22, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
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.
2) Path traversal (CVE-ID: CVE-2025-4748)
The vulnerability allows a remote attacker to write arbitrary files to the system.
The vulnerability exists due to improper validation of .zip archives in the Erlang/OTP standard-library ZIP routines "zip:unzip/1,2" and "zip:extract/1,2". A remote attacker can pass a specially crafted .zip archive to the application and write files to arbitrary locations on the system.
Remediation
Install update from vendor's website.