web3-utils up to 4.2.0 mergeDeep prototype pollution

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in web3-utils up to 4.2.0. It has been rated as critical. The impacted element is the function mergeDeep. This manipulation causes prototype pollution. This vulnerability appears as CVE-2024-21505. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in web3-utils up to 4.2.0. It has been declared as critical. Affected by this vulnerability is the function mergeDeep. The manipulation with an unknown input leads to a prototype pollution vulnerability. The CWE definition for the vulnerability is CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. As an impact it is known to affect availability. The summary by CVE is:

Versions of the package web3-utils before 4.2.1 are vulnerable to Prototype Pollution via the utility functions format and mergeDeep, due to insecure recursive merge. An attacker can manipulate an object's prototype, potentially leading to the alteration of the behavior of all objects inheriting from the affected prototype by passing specially crafted input to these functions.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-21505 since 12/22/2023. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 4.2.1 eliminates this vulnerability. Applying the patch 8ed041c6635d807b3da8960ad49e125e3d1b0e80 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Snyk): 🔍

CVSSv2info

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

Exploitinginfo

Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: web3-utils 4.2.1
Patch: 8ed041c6635d807b3da8960ad49e125e3d1b0e80

Timelineinfo

12/22/2023 🔍
03/25/2024 +94 days 🔍
03/25/2024 +0 days 🔍
08/02/2024 +130 days 🔍

Sourcesinfo

Advisory: 8ed041c6635d807b3da8960ad49e125e3d1b0e80
Status: Confirmed

CVE: CVE-2024-21505 (🔍)
GCVE (CVE): GCVE-0-2024-21505
GCVE (VulDB): GCVE-100-257803

Entryinfo

Created: 03/25/2024 06:45
Updated: 08/02/2024 18:37
Changes: 03/25/2024 06:45 (65), 08/02/2024 18:37 (1)
Complete: 🔍
Cache ID: 216::103

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