Vulnerability in G Data Total Security
CVE-2023-42126
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. Was ZDI-CAN-20694.
EPSS: 0.004 (32.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- G Data Total Security — versions 25.5.14.95
- Gdata-software Total_security — versions 25.5.14.95
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-42126?
- CVE-2023-42126 is a high-severity vulnerability in G Data Total Security, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2024-05-03.
- How severe is CVE-2023-42126?
- High severity. CVSS v3 base score is 7.8 out of 10.