CVE-2024-8391: vert.x DoS — Fix

Description

In Eclipse Vert.x version 4.3.0 to 4.5.9, the gRPC server does not limit the maximum length of message payload (Maven GAV: io.vertx:vertx-grpc-server and io.vertx:vertx-grpc-client). This is fixed in the 4.5.10 version. Note this does not affect the Vert.x gRPC server based grpc-java and Netty libraries (Maven GAV: io.vertx:vertx-grpc)

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
eclipse	vert.x	4.3.0 — 4.5.10

References

Advisories & Patches

https://gitlab.eclipse.org/security/cve-assignement/-/issues/31

Other References

https://github.com/eclipse-vertx/vertx-grpc/issues/113

Frequently Asked Questions

What is CVE-2024-8391? +

In Eclipse Vert.x version 4.3.0 to 4.5.9, the gRPC server does not limit the maximum length of message payload (Maven GAV: io.vertx:vertx-grpc-server and io.vertx:vertx-grpc-client). This is fixed in the 4.5.10 version. Note this does not affect the Vert.x gRPC server based grpc-java and Netty libraries (Maven GAV: io.vertx:vertx-grpc) It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-8391? +

CVE-2024-8391 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-8391? +

CVE-2024-8391 affects products from eclipse, specifically: vert.x. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8391? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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