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CVE-2022-2421

Good to know:

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Date: October 24, 2022

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.

Language: JS

Severity Score

Related Resources (11)

https://csirt.divd.nl/cves/CVE-2022-2421
https://github.com/socketio/socket.io-parser/commit/b559f050ee02bd90bd853b9823f8de7fa94a80d4
https://github.com/socketio/socket.io-parser/commit/fb21e422fc193b34347395a33e0f625bebc09983
https://github.com/socketio/socket.io-parser/commit/b5d0cb7dc56a0601a09b056beaeeb0e43b160050
https://github.com/socketio/socket.io-parser
https://csirt.divd.nl/cases/DIVD-2022-00045
https://nvd.nist.gov/vuln/detail/CVE-2022-2421
https://csirt.divd.nl/CVE-2022-2421
https://csirt.divd.nl/DIVD-2022-00045
https://github.com/socketio/socket.io-parser/commit/04d23cecafe1b859fb03e0cbf6ba3b74dff56d14
https://www.mend.io/vulnerability-database/CVE-2022-2421

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

SQL Injection

CWE-89

Insufficient Information

NVD-CWE-noinfo

Improper Validation of Specified Type of Input

CWE-1287

Top Fix

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Upgrade Version

Upgrade to version socket.io-parser - 3.3.3,3.4.2,4.0.5,4.2.1;org.webjars.npm:socket.io-parser:4.0.5,4.2.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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