CVE-2019-17093

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory safebreach.com Third-Party Advisory safebreach.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://safebreach.com/blog third party advisory
https://safebreach.com/Post/Avast-Antivirus-AVG-Antivirus-DLL-Preloading-into-PPL-and-Potential-Abuses exploit third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2019-17093?
CVE-2019-17093 has been scored as a high severity vulnerability.
How to fix CVE-2019-17093?
To fix CVE-2019-17093, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-17093 being actively exploited in the wild?
It is possible that CVE-2019-17093 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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