Buffer Overflow Vulnerability in Avast AntiVirus Affecting Local Users
CVE-2020-20118

5.5MEDIUM

Key Information:

Vendor

Avast

Status
Antivirus
Vendor
CVE Published:
11 July 2023

What is CVE-2020-20118?

A buffer overflow vulnerability exists in earlier versions of Avast AntiVirus that can be exploited by a local attacker. This vulnerability allows the attacker to send specially crafted requests to the aswSnx.sys driver, leading to potential denial of service conditions. Users are encouraged to upgrade to the latest version of Avast AntiVirus to mitigate this risk.

References

http://avast.com
https://gitlab.com/yongchuank/avast-aswsnx-ioctl-82ac0060...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-20118 : Buffer Overflow Vulnerability in Avast AntiVirus Affecting Local Users