Vulnerability identifier: #VU67744
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Matrix Javascript SDK
Web applications /
JS libraries
Vendor: Matrix.org
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing beacon events. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Matrix Javascript SDK: 17.1.0 - 19.6.0
External links
http://github.com/matrix-org/matrix-js-sdk/commit/a587d7c36026fe1fcf93dfff63588abee359be76
http://github.com/matrix-org/matrix-js-sdk/releases/tag/v19.7.0
http://github.com/matrix-org/matrix-spec-proposals/pull/3488
http://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-hvv8-5v86-r45x
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.