September 10, 2019
Microsoft Yammer is prone to a security-bypass vulnerability. An attacker can leverage this issue to bypass certain security restrictions and perform unauthorized actions.
- Microsoft Yammer for Android
Run all software as a nonprivileged user with minimal access rights.
When possible, run all software as a user with minimal privileges and limited access to system resources. Use additional precautions such as restrictive environments to insulate software that may potentially handle malicious content.
Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This may indicate exploit attempts or activity that results from successful exploits.
Updates are available. Please see the references or vendor advisory for more information.
Victor Alcazar of Microsoft Corporation
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