CVE-2019-17093
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductAvast Antivirus
PublishedOct 23, 2019
First seenOct 23, 2019
How to fix
Update
- avast antivirus19.8 or later
- avg anti-virus19.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| avast antivirus | v < 19.8 | 19.8 |
| avg anti-virus | v < 19.8 | 19.8 |
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