Description
An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe).
References (3)
Core 3
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://forum.avast.com/index.php?topic=232420.0
Release Notes, Vendor Advisory x_refsource_misc
https://forum.avast.com/index.php?topic=232423.0
Exploit, Third Party Advisory x_refsource_misc
https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md
Scores
CVSS v3
7.5
EPSS
0.0064
EPSS Percentile
70.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-787
Status
published
Products (1)
avast/antivirus
< 20.0
Published
Apr 01, 2020
Tracked Since
Feb 18, 2026