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Description
CVE-2022-41940 - Medium Severity Vulnerability
Vulnerable Library - engine.io-4.1.1.tgz
The realtime engine behind Socket.IO. Provides the foundation of a bidirectional connection between client and server
Library home page: https://registry.npmjs.org/engine.io/-/engine.io-4.1.1.tgz
Dependency Hierarchy:
- karma-6.3.2.tgz (Root Library)
- socket.io-3.1.2.tgz
- ❌ engine.io-4.1.1.tgz (Vulnerable Library)
- socket.io-3.1.2.tgz
Found in HEAD commit: 36a9c5d28529109984de6fcc3d0a157d561dac4a
Found in base branch: master
Vulnerability Details
Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. This impacts all the users of the engine.io package, including those who uses depending packages like socket.io. There is no known workaround except upgrading to a safe version. There are patches for this issue released in versions 3.6.1 and 6.2.1.
Publish Date: 2022-11-22
URL: CVE-2022-41940
CVSS 3 Score Details (6.5)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Suggested Fix
Type: Upgrade version
Origin: GHSA-r7qp-cfhv-p84w
Release Date: 2022-11-22
Fix Resolution (engine.io): 6.2.1
Direct dependency fix Resolution (karma): 6.3.5