Absolute Computrace Agent, as distributed on certain Dell Inspiron systems through 2009, has a race condition with the Dell Client Configuration Utility (DCCU), which allows privileged local users to change Computrace Agent's activation/deactivation status to the factory default via a crafted TaskResult.xml file.
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
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https://www.coresecurity.com/system/files/publications/2016/05/Paper-Deactivate-the-Rootkit-AOrtega-ASacco.pdf | exploit third party advisory technical description |