PT-2020-6825 · Malwarebytes · Malwarebytes Free

Published 2020-09-03 · Updated 2020-12-23 · CVE-2020-28641

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions Malwarebytes Free version 4.1.0.56

Description The issue is related to the incorrect determination of a link before accessing a file, which can be exploited by creating a symbolic link to delete an arbitrary file on the system. This can be achieved by exploiting the local quarantine system.

Recommendations For Malwarebytes Free version 4.1.0.56, consider disabling the local quarantine system as a temporary workaround until a patch is available. Restrict access to the quarantine system to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

BDU:2022-07493

CVE-2020-28641

Affected Products

Malwarebytes Free

References · 10

• https://support.malwarebytes.com/hc/en-us/articles/1500000403501-Arbitrary-file-deletion-vulnerability-fixed-in-Malwarebytes-Endpoint-Protection · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-28641 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-07493 · Security Note
• https://support.malwarebytes.com/hc/en-us/articles/360058885974-Arbitrary-file-deletion-vulnerability-fixed-in-Malwarebytes-for-Windows · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-28641 · Security Note
• https://malwarebytes.com · Note
• https://t.me/cvenotify/7610 · Telegram Post
• https://fortiguard.com/zeroday/FG-VD-20-119 · Note
• https://t.me/malwr/4680 · Telegram Post
• https://t.me/cibsecurity/21209 · Telegram Post