ZDI-CAN-20694: ZDI-23-1493: G Data Total Security GDBackupSvc Service Link Following Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of G Data Total Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the GDBackupSvc service. By creating a symbolic link, an attacker can abuse the service to create a file with a permissive DACL. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Other sources
This vulnerability allows local attackers to escalate privileges on affected installations of G Data Total Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2023-42126.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-20694?
ZDI-CAN-20694 is classified with a high severity due to its potential for privilege escalation.
How do I fix ZDI-CAN-20694?
To fix ZDI-CAN-20694, you should update G Data Total Security to the latest version provided by the vendor.
Who is impacted by ZDI-CAN-20694?
Any user or organization using affected installations of G Data Total Security may be impacted by ZDI-CAN-20694.
Can ZDI-CAN-20694 be exploited remotely?
No, ZDI-CAN-20694 requires local access to the system for an attacker to execute low-privileged code.
What is the nature of the flaw in ZDI-CAN-20694?
The flaw in ZDI-CAN-20694 allows local attackers to escalate privileges on affected installations of G Data Total Security.