Denial of service in Red Hat JBoss Enterprise Application Platform

1) Resource management error

EUVDB-ID: #VU60243

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3859

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper handling of client side invocation timeout within the application when handling HTTP/2 requests. A remote attacker can send specially crafted requests to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Enterprise Application Platform: 7.3.0 - 7.3.10

eap7-undertow (Red Hat package): before 2.0.41-2.SP2_redhat_00001.1.el8eap

External links

http://access.redhat.com/errata/RHSA-2022:0406
http://access.redhat.com/errata/RHSA-2022:0405

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.