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eclipse-vertx/vert.x · Security

Excessive memory allocation

GHSA ID
GHSA-45xm-v8gq-7jqx
CVE ID
CVE-2018-12541
Severity
medium
Published
Updated
CVSS
6.5 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v3
6.5 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There should be a reasonnable limit (8192 bytes) above which the WebSocket gets an HTTP response with the 413 status code and the connection gets closed.

CWEs

  • CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-789 · Memory Allocation with Excessive Size Value

References