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                                              Netskope Security Advisory

                                              NSKPSA-2024-004

                                              Netskope Client installer with symbolic link following‬ ‭ vulnerability leading to privilege escalation

                                              Netskope Client on Mac OS is impacted by a vulnerability in which the postinstall script‬ does not properly validate the path of the file “nsinstallation”. A standard user could‬ potentially create a symlink of the file “nsinstallation” to escalate the privileges of a different‬ file on the system.

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                                              Security Advisory ID: NSKPSA-2024-004
                                              Severity Rating: Medium
                                              First Communicated: April 15, 2025
                                              Overall CVSS Score: 5.2
                                              Version: 1.0
                                              CVE-ID:‬‭ CVE-2024-13177‬

                                               

                                              Description
                                              Netskope Client on Mac OS is impacted by a vulnerability in which the postinstall script‬ does not properly validate the path of the file “nsinstallation”. A standard user could‬ potentially create a symlink of the file “nsinstallation” to escalate the privileges of a different‬ file on the system.

                                               

                                              Affected Product(s) and Version(s)
                                              Product name: Netskope Client
                                              Affected Platform: MacOS
                                              Affected Versions: All versions below R123‬

                                               

                                              CVE-ID(s)
                                              CVE-2024-13177‬
                                              ‭CVSS:4.0/A V:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/V A:N/SC:H/SI:H/SA:H (5.2)‬

                                               

                                              Remediation
                                              Netskope has released a security patch for the issue. Please see below 

                                              • Patch versions: R123 and above
                                              • Patch backported versions: EHF Versions 117.1.11.2310 and 120.1.10.2306

                                              Netskope download Instructions – Download Netskope Client and Scripts – Netskope Support

                                               

                                              Workaround
                                              There are no workarounds available at this time.

                                               

                                              General Security Best Practices
                                              Netskope recommends using security hardening options available in the product and configuring them to harden the security – https://docs.netskope.com/en/secure-tenant-configuration-and-hardening/

                                               

                                              Special Notes and Acknowledgement
                                              Netskope credits Max Keasley of WithSecure Consulting for reporting this flaw.‬

                                               

                                              Exploitation and Public Disclosures
                                              Netskope is not aware of any active exploitation of the security issue.

                                               

                                              Revision History

                                              VersionDateSectionNotes
                                              1.0April 15, 2025Initial Release

                                               

                                              Legal Disclaimer
                                              To the maximum extent permitted by applicable law, information provided in this notice is provided “as is” without warranty of any kind. Your use of the information in this notice or materials linked herein are at your own risk. This notice and all aspects of Netskope’s Product Security Incident Response Policy are subject to change without notice. Response is not guaranteed for any specific issue or class of issues. Your entitlements regarding warranties, support and maintenance, including vulnerabilities in any Netskope software or service, are governed solely by the applicable master agreement between Netskope and you. The statements in this notice do not modify, enlarge or otherwise amend any of your rights under the applicable master agreement, or create any additional warranties or commitments.

                                               

                                              About Netskope
                                              Netskope, the SASE leader, safely and quickly connects users directly to the internet, any application, and their infrastructure from any device, on or off the network. With CASB, SWG, and ZTNA built natively in a single platform, the Netskope Security Cloud provides the most granular context, via patented technology, to enable conditional access and user awareness while enforcing zero trust principles across data protection and threat prevention everywhere. Unlike others who force tradeoffs between security and networking, Netskope’s global security private cloud provides full compute capabilities at the edge.

                                              Netskope is fast everywhere, data-centric, and cloud-smart, all while enabling good digital citizenship and providing a lower total-cost-of-ownership.