Privilege escalation in Zoom Rooms and Meeting SDK for Windows

1) Race condition

EUVDB-ID: #VU93887

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-27238

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Zoom Rooms Client for Windows: 4.6.5 18374.0407 - 5.17.13

Zoom Meeting SDK for Windows: 5.9.0 - 5.17.11

CPE2.3

• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_windows:4.6.5:18374.0407:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_windows:5.0.0:1420.0426:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_windows:5.0.2:1459.0524:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_meeting_sdk_for_windows:5.9.0:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_meeting_sdk_for_windows:5.9.1:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_meeting_sdk_for_windows:5.9.3:*:*:*:*:*:*:*

External links

https://www.zoom.com/en/trust/security-bulletin/ZSB-24021/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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