Denial of service in Zoom Desktop Client and Zoom Rooms

1) Buffer overflow

EUVDB-ID: #VU79367

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-36532

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and crash the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for Windows: before 5.14.5 15287

Zoom Workplace Desktop App for Linux: before 5.14.5 2430

Zoom Workplace Desktop App for macOS: before 5.14.5 17687

Zoom Workplace App for Android: before 5.14.5 13340

Zoom Rooms Client for Windows: before 5.14.5 2778

Zoom Rooms Client for macOS: before 5.14.5 2929

CPE2.3

• cpe:2.3:a:zoom_video_communications:zoom_client_for_windows:*:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_linux:*:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_macos:*:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_android:*:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_windows:*:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_macos:*:*:*:*:*:*:*:*

External links

https://explore.zoom.us/en/trust/security/security-bulletin/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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.