#VU14741 Improper validation of certificate with host mismatch in ActiveMQ - CVE-2018-11775

Vulnerability identifier: #VU14741

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-11775

CWE-ID: CWE-297

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
ActiveMQ
Server applications / Mail servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform a MitM attack.

The vulnerability exists due to the Apache ActiveMQ Client does not validate hostname when using SSL/TLS protocol to connect to the Apache ActiveMQ server. A remote attacker can perform a Man-in-the-Middle (MitM) attack and intercept all traffic between Java client and ActiveMQ server.

Mitigation
Update to version5.5.16.

Vulnerable software versions

ActiveMQ: 5.15.0 - 5.15.5

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External links
https://activemq.apache.org/security-advisories.data/CVE-2018-11775-announcement.txt

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.