Detections
Analytics

SCA: security update for webrick (GHSA-6mq2-37j5-w6r6)

critical Tenable Self-Hosted Container Security Plugin ID 421859

Description

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

 - WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through
 patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which
 might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or
 overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
 (CVE-2009-4492)

See Also

https://github.com/advisories/GHSA-6mq2-37j5-w6r6

Plugin Details

Severity: Critical

ID: 421859

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2009-4492

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: 10/24/2017

Vulnerability Publication Date: 1/11/2010

Reference Information

CVE: CVE-2009-4492

BID: 37710

cwe: CWE-20