Vulnerability identifier: #VU88189

Vulnerability 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-2024-1023

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vert.x
Web applications / Modules and components for CMS

Vendor: Eclipse

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak when using Netty FastThreadLocal data structures. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vert.x: 4.5.0 - 4.5.1, 4.4.5 - 4.4.6

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2260840
http://github.com/eclipse-vertx/vert.x/issues/5078
http://github.com/eclipse-vertx/vert.x/pull/5080
http://github.com/eclipse-vertx/vert.x/pull/5082

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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.