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Vulnerability CVE-2019-17093
Published: 2019-10-23 Modified: 2019-11-05
Description: |
An issue was discovered in Avast antivirus before 19.8 and AVG antivirus before 19.8. A DLL Preloading vulnerability allows an attacker to implant %WINDIR%\system32\wbemcomn.dll, which is loaded into a protected-light process (PPL) and might bypass some of the self-defense mechanisms. This affects all components that use WMI, e.g., AVGSvc.exe 19.6.4546.0 and TuneupSmartScan.dll 19.1.884.0. |
Type:
CWE-426 (Untrusted Search Path)
CVSS2 => (AV:L/AC:M/Au:N/C:P/I:P/A:P)
CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
4.4/10 |
6.4/10 |
3.4/10 |
Exploit range |
Attack complexity |
Authentication |
Local |
Medium |
No required |
Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
Partial |
Partial |
References: |
https://safebreach.com/blog
https://safebreach.com/Post/Avast-Antivirus-AVG-Antivirus-DLL-Preloading-into-PPL-and-Potential-Abuses
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