Denial of service in Matrix Javascript SDK



Published: 2023-03-29
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-28427
CWE-ID CWE-1321
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Matrix Javascript SDK
Web applications / JS libraries

Vendor Matrix.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

EUVDB-ID: #VU74153

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2023-28427

CWE-ID:

Exploit availability:

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a prototype pollution issue in Matrix SDK. A remote attacker can pass specially crafted input with events containing special strings in key locations and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Matrix Javascript SDK: 0.1.0 - 23.5.0

Fixed software versions

CPE2.3 External links

http://matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
http://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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