#VU97683 Allocation of Resources Without Limits or Throttling in Vert.x - CVE-2024-8391

Vulnerability identifier: #VU97683

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-2024-8391

CWE-ID: CWE-770

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 a denial of service (DoS) attack.

The vulnerability exists due to the gRPC server does not limit the maximum length of message payload. A remote attacker can send multiple extremely large messages to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vert.x: 4.3.0 - 4.3.8, 4.4.0 - 4.4.9, 4.5.0 - 4.5.9

---

External links
https://gitlab.eclipse.org/security/cve-assignement/-/issues/31
https://github.com/eclipse-vertx/vertx-grpc/issues/113

---

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.