CVE-2020-7662 (High) detected in websocket-extensions-0.1.1.tgz #76
Description
CVE-2020-7662 - High Severity Vulnerability
Vulnerable Library - websocket-extensions-0.1.1.tgz
Generic extension manager for WebSocket connections
Library home page: https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.1.tgz
Path to dependency file: curratelo/package.json
Path to vulnerable library: curratelo/node_modules/firebase/node_modules/faye-websocket/node_modules/websocket-driver/node_modules/websocket-extensions/package.json
Dependency Hierarchy:
- firebase-3.0.5.tgz (Root Library)
- faye-websocket-0.9.3.tgz
- websocket-driver-0.6.4.tgz
- ❌ websocket-extensions-0.1.1.tgz (Vulnerable Library)
- websocket-driver-0.6.4.tgz
- faye-websocket-0.9.3.tgz
Found in HEAD commit: 5d3d794322294bffde619a024f9ee9847c275c57
Vulnerability Details
websocket-extensions npm module prior to 0.1.4 allows Denial of Service (DoS) via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other character. This could be abused by an attacker to conduct Regex Denial Of Service (ReDoS) on a single-threaded server by providing a malicious payload with the Sec-WebSocket-Extensions header.
Publish Date: 2020-06-02
URL: CVE-2020-7662
CVSS 3 Score Details (7.5)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Suggested Fix
Type: Upgrade version
Origin: GHSA-g78m-2chm-r7qv
Release Date: 2020-06-02
Fix Resolution: websocket-extensions - 0.1.4
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