PT-2023-12111 · Zscaler · Zscaler Client Connector

Published 2023-10-23 · Updated 2023-10-27 · CVE-2021-26738

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Zscaler Client Connector for macOS versions prior to 3.7

Description The issue is related to an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.

Recommendations For versions prior to 3.7, update to version 3.7 or later to resolve the issue. As a temporary workaround, consider restricting the use of the PATH variable to minimize the risk of exploitation.

Fix

Untrusted Search Path

Weakness Enumeration

CWE-426

Related Identifiers

CVE-2021-26738

Affected Products

Zscaler Client Connector

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-26738 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26738 · Vendor Advisory
• https://twitter.com/CVEnew/status/1716448945231061046 · Twitter Post
• https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS&applicable_version=3.7&deployment_date=2022-08-19&id=1414851 · Note
• https://t.me/cibsecurity/72770 · Telegram Post
• https://twitter.com/DMFezzaReedCISA/status/1716488461681676606 · Twitter Post