#VU51521 Input validation error in JBoss Remoting - CVE-2020-35510

Vulnerability identifier: #VU51521

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-35510

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JBoss Remoting
Universal components / Libraries / Libraries used by multiple products

Vendor: Red Hat Inc.

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when processing EJB client requests. A remote user can send specially crafted EJB message to the server and perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

JBoss Remoting: 5.0.0 - 5.0.20

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External links
https://access.redhat.com/errata/RHSA-2021:0873

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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