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                                              Netskope Security Advisory

                                              NSKPSA-2022-001

                                              Sensitive information stored in logs for NSclient

                                              Security Advisory ID: NSKPSA-2022-001
                                              Severity Rating: High
                                              First Communicated: Mar 21, 2022
                                              Overall CVSS Score: 8.4
                                              Version: 1.0

                                               

                                              Description
                                              Netskope client is impacted by a vulnerability where an authenticated, local attacker can view sensitive information stored in NSClient logs which should be restricted. The vulnerability exists because the sensitive information is not masked/scrubbed before writing in the logs. A malicious user can use the sensitive information to download data and impersonate another user.
                                              CWE-532: Insertion of Sensitive Information into Log File

                                               

                                              Affected Product(s) and Version(s)
                                              Netskope Client vR91 and Prior

                                               

                                              CVE-ID(s)
                                              CVE-2021-44862

                                               

                                              Remediation
                                              Netskope has patched this vulnerability and released a new version. All customers
                                              are recommended to upgrade their NSClients to the latest version. To download
                                              latest version, please refer to download Instructions at Download Netskope Client and Scripts – Netskope Support.

                                               

                                              Netskope reference
                                              https://support.netskope.com/s/article/NSKPSA-2022-001-Netskope-Security-Advisory-Sensitive-information-in-audit-logs.

                                               

                                              Workaround
                                              There are no workarounds for this vulnerability other than upgrading to the latest version.

                                               

                                              General Security Best Practices
                                              Follow the secure tenant configurations to enhance the security of tenants which are listed at https://support.netskope.com/s/article/Secure-Tenant-Configuration.

                                               

                                              Special Notes and Acknowledgement
                                              Netskope credits Ben O’Dea and Josh Wilson from IAG Australia for reporting this vulnerability.

                                               

                                              Exploitation and Public Disclosures
                                              Netskope is not aware of any public exploitation or disclosures before this date.

                                               

                                              Revision History

                                              VersionDateSectionNotes
                                              1.0Mar 21, 2022Initial Disclosure

                                               

                                               

                                              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 the Netskope 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.