Detections
Analytics

SCA: security update for websocket-extensions (GHSA-g6wq-qcwm-j5g2)

high Tenable Self-Hosted Container Security Plugin ID 414944

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - websocket-extensions ruby module prior to 0.1.5 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. (CVE-2020-7663)

See Also

https://github.com/advisories/GHSA-g6wq-qcwm-j5g2

Plugin Details

Severity: High

ID: 414944

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.71

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-7663

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/5/2020

Vulnerability Publication Date: 6/2/2020

Reference Information

CVE: CVE-2020-7663

cwe: CWE-400