Vulnerability Details : CVE-2019-17093
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.
Products affected by CVE-2019-17093
- cpe:2.3:a:avg:anti-virus:*:*:*:*:*:*:*:*
- cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-17093
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-17093
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2019-17093
-
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-17093
-
https://safebreach.com/blog
SafeBreach Blog | Think Like a HackerThird Party Advisory
-
https://safebreach.com/Post/Avast-Antivirus-AVG-Antivirus-DLL-Preloading-into-PPL-and-Potential-Abuses
Avast Antivirus / AVG Antivirus - DLL Preloading into PPL and Potential AbusesExploit;Technical Description;Third Party Advisory
Jump to