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Security Advisories: GSA_kwCzR0hTQS1xd2h3LWhoOWotNTRmNc4AA7PI

Ant Media Server vulnerable to a local privilege escalation

Impact

We have identified a local privilege escalation vulnerability in Ant Media Server which allows any unprivileged operating system user account to escalate privileges to the root user account on the system. This vulnerability arises from Ant Media Server running with Java Management Extensions (JMX) enabled and authentication disabled on localhost on port 5599/TCP. This vulnerability is nearly identical to the local privilege escalation vulnerability CVE-2023-26269 identified in Apache James.
Any unprivileged operating system user can connect to the JMX service running on port 5599/TCP on localhost and leverage the MLet Bean within JMX to load a remote MBean from an attacker-controlled server. This allows an attacker to execute arbitrary code within the Java process run by Ant Media Server and execute code within the context of the “antmedia” service account on the system.

Patches

2.9.0

Workarounds

Remote the following parameters from antmedia.service file

-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.port=5599 -Dcom.sun.management.jmxremote.local.only=true -Dcom.sun.management.jmxremote.host=127.0.0.1 -Djava.rmi.server.hostname=127.0.0.1 -Djava.rmi.server.useLocalHostname=true -Dcom.sun.management.jmxremote.rmi.port=5599

Thank you Adam Crosser for reporting the issue
Local Privilege Escalation via Unauthenticated JMX Remote Management Interface (1).pdf

Permalink: https://github.com/advisories/GHSA-qwhw-hh9j-54f5
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1xd2h3LWhoOWotNTRmNc4AA7PI
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 11 days ago
Updated: 10 days ago


CVSS Score: 7.8
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-qwhw-hh9j-54f5, CVE-2024-32656
References: Repository: https://github.com/ant-media/Ant-Media-Server
Blast Radius: 8.1

Affected Packages

maven:io.antmedia:ant-media-server
Dependent packages: 7
Dependent repositories: 11
Downloads:
Affected Version Ranges: >= 2.6.0, < 2.9.0
Fixed in: 2.9.0
All affected versions: 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.7.0, 2.8.0, 2.8.1, 2.8.2
All unaffected versions: 1.2.0, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.4.0, 1.4.1, 1.5.0, 1.5.1, 1.5.2, 1.6.0, 1.6.1, 1.6.2, 1.7.0, 1.7.1, 1.7.2, 1.8.0, 1.8.1, 1.9.0, 1.9.1, 2.0.0, 2.1.0, 2.2.0, 2.2.1, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.4.0, 2.4.1, 2.4.2, 2.4.3, 2.5.0, 2.5.1, 2.5.2, 2.9.0