#VU19300 Resource exhaustion in ActiveMQ - CVE-2019-0222

Vulnerability identifier: #VU19300

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-0222

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ActiveMQ
Server applications / Mail servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error when processing corrupt MQTT frames. A remote attacker can consume all memory resources on the system and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ActiveMQ: 5.0.0, 5.1.0 - 5.15.8, 5.2 - 5.2.0, 5.3.0 - 5.3.2, 5.4.0 - 5.4.3, 5.5.0 - 5.5.1, 5.6.0, 5.7.0, 5.8.0, 5.9.0 - 5.9.1

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External links
https://activemq.apache.org/security-advisories.data/CVE-2019-0222-announcement.txt
https://www.openwall.com/lists/oss-security/2019/03/27/2
https://lists.apache.org/thread.html/03f91b1fb85686a848cee6b90112cf6059bd1b21b23bacaa11a962e1@%3Cdev.activemq.apache.org%3E
https://lists.apache.org/thread.html/2b5c0039197a4949f29e1e2c9441ab38d242946b966f61c110808bcc@%3Ccommits.activemq.apache.org%3E
https://lists.apache.org/thread.html/71640324661c1b6d0b6708bd4fb20170e1b979370a4b8cddc4f8d485@%3Cdev.activemq.apache.org%3E
https://lists.apache.org/thread.html/7da9636557118178b1690ba0af49c8a7b7b97d925218b5774622f488@%3Cusers.activemq.apache.org%3E
https://lists.apache.org/thread.html/a859563f05fbe7c31916b3178c2697165bd9bbf5a65d1cf62aef27d2@%3Ccommits.activemq.apache.org%3E
https://lists.apache.org/thread.html/d1e334bd71d6e68462c62c726fe6db565c7a6283302f9c1feed087fa@%3Ccommits.activemq.apache.org%3E
https://lists.apache.org/thread.html/fcbe6ad00f1de142148c20d813fae3765dc4274955e3e2f3ca19ff7b@%3Cdev.activemq.apache.org%3E
https://security.netapp.com/advisory/ntap-20190502-0006/

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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 Internet.

Is there known malware, which exploits this vulnerability?

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