CVE-2022-2421
JavaScript vulnerability analysis and mitigation

Overview

Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object (CVE, NVD).

Technical details

The vulnerability exists in the Socket.io JavaScript library's attachment parsing functionality. The core issue stems from improper type validation that allows malicious actors to overwrite the _placeholder object. This can lead to arbitrary function reference placement in the query object (NVD).

Impact

The vulnerability has high severity impacts across confidentiality, integrity, and availability. Based on the CVSS metrics, the vulnerability allows attackers to potentially compromise system security through arbitrary function reference placement (NVD).

Additional resources


SourceThis report was generated using AI

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