CVE-2024-50591: Local Privilege Escalation via Command Injection
An attacker with local access the to medical office computer can escalate his Windows user privileges to "NT AUTHORITY\SYSTEM" by exploiting a command injection vulnerability in the Elefant Update Service. The command injection can be exploited by communicating with the Elefant Update Service which is running as "SYSTEM" via Windows Named Pipes.The Elefant Software Updater (ESU) consists of two components. An ESU service which runs as "NT AUTHORITY\SYSTEM" and an ESU tray client which communicates with the service to update or repair the installation and is running with user permissions. The communication is implemented using named pipes. A crafted message of type "MessageType.SupportServiceInfos" can be sent to the local ESU service to inject commands, which are then executed as "NT AUTHORITY\SYSTEM".
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Frequently Asked Questions
What is the severity of CVE-2024-50591?
CVE-2024-50591 is a high severity vulnerability that allows local privilege escalation.
How do I fix CVE-2024-50591?
To fix CVE-2024-50591, apply the latest security updates from Elefant for the Elefant Update Service and Elefant Software Updater.
Who is affected by CVE-2024-50591?
CVE-2024-50591 affects installations of Elefant Update Service and Elefant Software Updater that allow local access.
What type of vulnerability is CVE-2024-50591?
CVE-2024-50591 is a command injection vulnerability that can be exploited for local privilege escalation.
Can CVE-2024-50591 be exploited remotely?
No, CVE-2024-50591 requires local access to the medical office computer to exploit the vulnerability.