Dan Kelly

The issue concerns a driver that provides raw read and write access to port I/O and MSRs via unprivileged IOCTL calls, allowing local users to gain privileges. This has been exploited in real-world incidents, including attacks by the Lazarus group, which targeted security researchers and media companies in the US and Europe. The attackers used phishing schemes, including sending malicious documents, to deploy backdoors and gain control over targeted systems. The estimated number of potentially affected devices is not specified.

The issue allows a remote authenticated administrator to execute arbitrary operating system commands as SYSTEM via the policy custom script feature. This can be exploited due to the use of a default administrator password, making it easier for attackers to abuse this functionality. Additionally, a remote and partially authenticated attacker may be able to inject arbitrary commands into the custom script due to an unsanitized password field, specifically the `password` field. This vulnerability can be exploited when a certain password sync feature is enabled, which uses passwords as script arguments, allowing for remote code execution via executable CMD.EXE input.