Multiple vulnerabilities in Zoom Rooms for Windows



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-36538
CVE-2023-36536
CVE-2023-34119
CWE-ID CWE-284
CWE-426
CWE-276
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Zoom Rooms Client for Windows
Client/Desktop applications / Office applications

Vendor Zoom Video Communications, Inc.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU78111

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-36538

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A local user can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Rooms Client for Windows: 5.0.0 1420.0426 - 5.14.5 2778

CPE2.3 External links

https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23024


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: #VU78110

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-2023-36536

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 untrusted search path. A local user can place a malicious library file into a specific location on the system and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Rooms Client for Windows: 5.0.0 1420.0426 - 5.14.5 2778

CPE2.3 External links

https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23022


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.

3) Incorrect default permissions

EUVDB-ID: #VU78109

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-2023-34119

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

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

The vulnerability exists due to incorrect default permissions for temporary files. A local user with access to the system can view contents of files and directories or modify them.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Rooms Client for Windows: 5.0.0 1420.0426 - 5.14.5 2778

CPE2.3 External links

https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23021


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.



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