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-23-1493?
The severity of ZDI-23-1493 is high due to its ability to allow local attackers to escalate privileges.
How do I fix ZDI-23-1493?
To fix ZDI-23-1493, ensure that your G Data Total Security software is updated to the latest version provided by the vendor.
Who is affected by ZDI-23-1493?
ZDI-23-1493 affects users of G Data Total Security installations.
What kind of attack vector is used in ZDI-23-1493?
ZDI-23-1493 requires that an attacker has already gained access to execute low-privileged code on the target system.
What consequences can arise from ZDI-23-1493?
Exploitation of ZDI-23-1493 can lead to unauthorized privilege escalation on compromised systems, potentially allowing attackers to take control.