Auth bypass in Gdata-Software Total Security
CVE-2019-9742
gdwfpcd.sys in G Data Total Security before 2019-02-22 allows an attacker to bypass ACLs because Interpreted Device Characteristics lacks FILE_DEVICE_SECURE_OPEN and therefore files and directories "inside" the \\.\gdwfpcd device are not properly protected, leading to unintended impersonation or object creation.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- nafiez.github.io/security/bypass/2019/03/12/gdata-total-security-acl-bypass.html (Exploit, Third Party Advisory)
- github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-03-13-gdata-total-se… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-9742?
- CVE-2019-9742 is a high-severity vulnerability in Gdata-Software Total Security, classified under Missing Authorization. CVSS score: 7.5/10. Published 2019-03-13.
- How severe is CVE-2019-9742?
- High severity. CVSS v3 base score is 7.5 out of 10.