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Client-Side JavaScript Prototype Pollution

Moderate
rgrebenchuk published GHSA-jx5q-g37m-h5hj Jan 4, 2022

Package

composer oro/platform (Composer)

Affected versions

>=4.1.0, <4.1.14 || >=4.2.0

Patched versions

4.2.8

Description

Summary

By sending a specially crafted request, an attacker could inject properties into existing JavaScript language construct prototypes, such as objects. Later this injection may lead to JS code execution by libraries that are vulnerable to Prototype Pollution.

Workarounds

Configure WAF to drop requests containing next strings: __proto__ , constructor[prototype], constructor.prototype

Severity

Moderate
5.4
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVE ID

CVE-2021-43852

Weaknesses

No CWEs