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
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.
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.
|1.0||Mar 21, 2022||Initial Disclosure|
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.
We'd love to hear from you!