Detections
Analytics

SCA: security update for rubygems-update (GHSA-9qvm-2vhf-q649)

medium Tenable Self-Hosted Container Security Plugin ID 413432

Description

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

 - Algorithmic complexity vulnerability in Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb
 in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, as used
 in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption)
 via a crafted gem version that triggers a large amount of backtracking in a regular expression. NOTE: this
 issue is due to an incomplete fix for CVE-2013-4287. (CVE-2013-4363)

See Also

https://github.com/advisories/GHSA-9qvm-2vhf-q649

Plugin Details

Severity: Medium

ID: 413432

Version: Revision 1.4

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: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2013-4363

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/17/2022

Vulnerability Publication Date: 9/16/2013

Reference Information

CVE: CVE-2013-4363

BID: 62442