Certifi-gate is a set of vulnerabilities in the authroization methods between mobile Remote Support Tool (mRST) apps and system-level plugs on a device. mRSTs allow remote personnel to offer customers personalized technical support for their devices by replicating a device’s screen and by simulating screen clicks at a remote console. If exploited, Certifi-gate allows malicious applications to gain unrestricted access to a device silently, elevating their privileges to allow access to the user data and perform a variety of actions usually only available to the device owner.
Check Point researchers examined the verification methods by which trusted components of the mRSTs validate remote support applications, and discovered numerous faulty exploitable implementations of this logic. This allows mobile platform attackers to masquerade as the original remote supporter with system privileges on the device.
Vulnerable components of these 3rd party mRSTs are often pre-loaded on devices or included as part of a manufacturer or network provider’s approved software build for a device. This creates significant difficulty in the patching process and makes affected components impossible to remove or to work around.
Read more in the full article here.
Source: Check Point
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