Code execution in Zscaler Client Connector

1) Code Injection

EUVDB-ID: #VU89163

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23480

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

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to an error in a fallback mechanism in code sign checking. A local user can execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Client Connector for macOS: before 4.2

External links

http://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macos&applicable_version=4.2

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.

Is there known malware, which exploits this vulnerability?

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