Privilege escalation in Zoom Apps for macOS

1) UNIX symbolic link following

EUVDB-ID: #VU100256

Risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-45418

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

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

The vulnerability exists due to a symlink following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for macOS: 5.0.0 23186.0427 - 6.1.1 36333

Zoom Rooms Client for macOS: 5.0.0 2236.0426 - 6.1.2 6877

CPE2.3

• cpe:2.3:a:zoom_video_communications:zoom_client_for_macos:5.0.0:23186.0427:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_macos:5.1.1:28575.0629:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_macos:5.1.2:28648.0705:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_macos:5.0.0:2236.0426:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_macos:5.0.5:2542.0703:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_macos:5.1.2:2806.0821:*:*:*:*:*:*

External links

https://www.zoom.com/en/trust/security-bulletin/ZSB-24040/

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.

2) Untrusted search path

EUVDB-ID: #VU100257

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-2024-45417

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description

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

The vulnerability exists due to usage of an untrusted search path. A local user can place a malicious binary into a specific location on the system and execute arbitrary code with escalated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for macOS: 5.0.0 23186.0427 - 6.1.1 36333

Zoom Rooms Client for macOS: 5.0.0 2236.0426 - 6.1.2 6877

CPE2.3

• cpe:2.3:a:zoom_video_communications:zoom_client_for_macos:5.0.0:23186.0427:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_macos:5.1.1:28575.0629:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_client_for_macos:5.1.2:28648.0705:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_macos:5.0.0:2236.0426:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_macos:5.0.5:2542.0703:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:zoom_rooms_for_macos:5.1.2:2806.0821:*:*:*:*:*:*

External links

https://www.zoom.com/en/trust/security-bulletin/ZSB-24039/

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.