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FreeBSD : Erlang -- Erlang/OTP SSH Vulnerable to Pre-Authentication RCE (06269ae8-1e0d-11f0-ad0b-b42e991fc52e)

critical Nessus Plugin ID 234700

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 06269ae8-1e0d-11f0-ad0b-b42e991fc52e advisory.

 [email protected] reports:

 Erlang/OTP is a set of libraries for the Erlang programming language. Prior to versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20, a SSH server may allow an attacker to perform unauthenticated remote code execution (RCE). By exploiting a flaw in SSH protocol message handling, a malicious actor could gain unauthorized access to affected systems and execute arbitrary commands without valid credentials. This issue is patched in versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20. A temporary workaround involves disabling the SSH server or to prevent access via firewall rules.


Tenable has extracted the preceding description block directly from the FreeBSD security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2025-32433

http://www.nessus.org/u?94cbf0e8

Plugin Details

Severity: Critical

ID: 234700

File Name: freebsd_pkg_06269ae81e0d11f0ad0bb42e991fc52e.nasl

Version: 1.1

Type: local

Published: 4/21/2025

Updated: 4/21/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-32433

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:erlang-runtime25, p-cpe:/a:freebsd:freebsd:erlang-runtime23, p-cpe:/a:freebsd:freebsd:erlang-runtime27, p-cpe:/a:freebsd:freebsd:erlang-runtime22, p-cpe:/a:freebsd:freebsd:erlang-runtime24, p-cpe:/a:freebsd:freebsd:erlang-runtime21, cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:erlang-runtime26, p-cpe:/a:freebsd:freebsd:erlang

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/20/2025

Vulnerability Publication Date: 4/16/2025

Reference Information

CVE: CVE-2025-32433

IAVA: 2025-A-0286