CWE
120 119
Advisory Published
Updated

CVE-2020-20118: Buffer Overflow

First published: Tue Jul 11 2023(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Avast AntiVirus<19.7

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Frequently Asked Questions

  • What is CVE-2020-20118?

    CVE-2020-20118 is a buffer overflow vulnerability in Avast AntiVirus before version 19.7 that allows a local attacker to cause a denial of service through a crafted request to the aswSnx.sys driver.

  • How severe is CVE-2020-20118?

    CVE-2020-20118 has a severity rating of medium, with a severity value of 5.5.

  • Which software version is affected by CVE-2020-20118?

    Avast AntiVirus versions up to but excluding 19.7 are affected by CVE-2020-20118.

  • How can the buffer overflow vulnerability in Avast AntiVirus be fixed?

    To fix the buffer overflow vulnerability in Avast AntiVirus, users should update to version 19.7 or a newer version provided by Avast.

  • Are there any references for CVE-2020-20118?

    Yes, you can find more information about CVE-2020-20118 at the following links: http://avast.com, https://gitlab.com/yongchuank/avast-aswsnx-ioctl-82ac0060-oob-write

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