Spoofing attack in Zoom client

1) Code Injection

EUVDB-ID: #VU77151

Risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28599

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to perform spoofing attack.

The vulnerability exists due to improper input validation hen processing HTML code. A remote user can inject arbitrary HTML code into their display name and force the victim to visit a malicious website during the meeting creation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Client for Windows: 5.0.0 23168.0427 - 5.13.7 12602

Zoom Client for Android: 5.0.1 23478.0429 - 5.13.7 11962

Zoom Client for iOS: 5.0.0 23161.0427 - 5.13.7 6692

Zoom Client for macOS: 5.0.0 23186.0427 - 5.13.7 15481

Zoom Client for Linux: 5.1.418436.0628 - 5.13.7 683

External links

http://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23007

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.