LinkedIn dustjs up to 2.x prototype pollution

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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in LinkedIn dustjs up to 2.x. The affected element is an unknown function. Such manipulation leads to prototype pollution. This vulnerability is traded as CVE-2021-4264. The attack may be launched remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in LinkedIn dustjs up to 2.x and classified as problematic. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a prototype pollution vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was shared 12/21/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-4264. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

The exploit is available at github.com. It is declared as proof-of-concept.

Upgrading to version 3.0.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch ddb6523832465d38c9d80189e9de60519ac307c3 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: dustjs 3.0.0
Patch: ddb6523832465d38c9d80189e9de60519ac307c3

Timelineinfo

12/21/2022 🔍
12/21/2022 +0 days 🔍
12/21/2022 +0 days 🔍
01/21/2023 +31 days 🔍

Sourcesinfo

Product: github.com

Advisory: ddb6523832465d38c9d80189e9de60519ac307c3
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-4264 (🔍)
GCVE (CVE): GCVE-0-2021-4264
GCVE (VulDB): GCVE-100-216464
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/21/2022 17:30
Updated: 01/21/2023 17:23
Changes: 12/21/2022 17:30 (45), 12/24/2022 15:02 (3), 01/21/2023 17:15 (3), 01/21/2023 17:23 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!