ZDI-26-432: G DATA Total Security Backup 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 Backup Service. By creating a symbolic link, an attacker can abuse the service to delete a file. 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-2026-13268.
— ZDI
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
G DATA Total Security Backup Serviceto a version that resolves this vulnerability.Patch ZDI-26-432 - Compensating control
Mitigate the local privilege escalation in the G DATA Total Security Backup Service by preventing untrusted users from being able to execute low-privileged code on the target system (reduce/contain local attacker ability to run code).
Event History
Frequently Asked Questions
What is the severity of ZDI-26-432?
The severity of ZDI-26-432 is high, with a score of 7.8.
How do I fix ZDI-26-432?
To fix ZDI-26-432, ensure that you update G DATA Total Security to the latest version that addresses this vulnerability.
What does ZDI-26-432 vulnerability allow an attacker to do?
ZDI-26-432 allows local attackers to escalate privileges and execute code with higher privileges on affected systems.
Do I need to be a privileged user to exploit ZDI-26-432?
Yes, an attacker must first execute low-privileged code on the target system to exploit ZDI-26-432.
Which software is affected by ZDI-26-432?
ZDI-26-432 affects the G DATA Total Security software.