National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-17093 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://safebreach.com/blog Third Party Advisory
https://safebreach.com/Post/Avast-Antivirus-AVG-Antivirus-DLL-Preloading-into-PPL-and-Potential-Abuses Exploit Technical Description Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-426 Untrusted Search Path NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
19.8
 cpe:2.3:a:avg:anti-virus:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
19.8


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-17093
NVD Published Date:
10/23/2019
NVD Last Modified:
10/29/2019