Detections
Analytics

SCA: security update for extlib (GHSA-9h36-4jf2-hx53)

critical Tenable Self-Hosted Container Security Plugin ID 421853

Description

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

 - The extlib gem 0.9.15 and earlier for Ruby does not properly restrict casts of string values, which might
 allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial
 of service (memory and CPU consumption) by leveraging Action Pack support for (1) YAML type conversion or
 (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156. (CVE-2013-1802)

See Also

https://github.com/advisories/GHSA-9h36-4jf2-hx53

Plugin Details

Severity: Critical

ID: 421853

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: 57.12

Vendor

Vendor Severity: High

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-2013-1802

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: 1/14/2013

Reference Information

CVE: CVE-2013-1802

BID: 58275

cwe: CWE-704