Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2020-20118
CVE-2020-20118:
Avast Antivirus vulnerability analysis and mitigation
Overview
Buffer Overflow vulnerability in Avast AntiVirus before v.19.7 allows a local attacker to cause a denial of service via a crafted request to the aswSnx.sys driver (NVD). The vulnerability was published on July 11, 2023, and has been assigned CVE-2020-20118.
Technical details
The vulnerability is classified as a Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') issue (CWE-120). It has been assigned a CVSS v3.1 Base Score of 5.5 MEDIUM with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (NVD).
Impact
The successful exploitation of this vulnerability can lead to a denial of service condition, affecting the availability of the system. The vulnerability only impacts the availability of the system, with no direct impact on confidentiality or integrity (NVD).
Mitigation and workarounds
The vulnerability has been fixed in Avast AntiVirus version 19.7 and later. Users should upgrade to the latest version to mitigate this vulnerability (Avast Advisory, GitLab Patch).
Additional resources
Source: This report was generated using AI
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