VDB-250661 · CVE-2024-21654 · GHSA-4v23-vj8h-7jp2

RubyGems.org 2FA improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in RubyGems.org. It has been classified as critical. This issue affects some unknown processing of the component 2FA. The manipulation leads to improper authentication. This vulnerability is documented as CVE-2024-21654. The attack can be initiated remotely. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in RubyGems.org (Programming Language Software) (unknown version). This issue affects an unknown code block of the component 2FA. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Rubygems.org is the Ruby community's gem hosting service. Rubygems.org users with MFA enabled would normally be protected from account takeover in the case of email account takeover. However, a workaround on the forgotten password form allows an attacker to bypass the MFA requirement and takeover the account. This vulnerability has been patched in commit 0b3272a.

The weakness was released 01/12/2024 as GHSA-4v23-vj8h-7jp2. The advisory is shared at github.com. The identification of this vulnerability is CVE-2024-21654 since 12/29/2023. Neither technical details nor an exploit are publicly available.

Applying the patch 0b3272ac17b45748ee0d1867c49867c7deb26565 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Type

Programming Language Software

Name

RubyGems.org

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 4.8
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 0b3272ac17b45748ee0d1867c49867c7deb26565

Timelineinfo

12/29/2023 🔍
01/12/2024 +14 days 🔍
01/12/2024 +0 days 🔍
10/24/2024 +286 days 🔍

Sourcesinfo

Advisory: GHSA-4v23-vj8h-7jp2
Status: Confirmed

CVE: CVE-2024-21654 (🔍)
GCVE (CVE): GCVE-0-2024-21654
GCVE (VulDB): GCVE-100-250661

Entryinfo

Created: 01/12/2024 22:23
Updated: 10/24/2024 18:58
Changes: 01/12/2024 22:23 (51), 02/03/2024 01:54 (11), 10/24/2024 18:58 (16)
Complete: 🔍
Cache ID: 216::103