The stub component of Absolute Computrace Agent V70.785 executes code from a disk's inter-partition space without requiring a digital signature for that code, which allows attackers to execute code on the BIOS. This allows a privileged local user to achieve persistent control of BIOS behavior, independent of later disk changes.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
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https://www.coresecurity.com/system/files/publications/2016/05/Paper-Deactivate-the-Rootkit-AOrtega-ASacco.pdf | third party advisory exploit technical description |