PT-2019-16041 · Bullguard · Bullguard Premium Protection

Published 2019-12-26 · Updated 2020-01-08 · CVE-2019-20000

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions BullGuard Premium Protection version 20.0.371.8

Description The issue concerns a Time-of-Check-to-Time-of-Use (TOCTOU) problem in the malware scan function, which can be exploited through a symbolic link attack. This allows an attacker to delete privileged files.

Recommendations For BullGuard Premium Protection version 20.0.371.8, consider disabling the malware scan function temporarily until a patch is available to prevent potential exploitation.

Exploit

Fix

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2019-20000

Affected Products

Bullguard Premium Protection

References · 3

• 🔥 https://github.com/NtRaiseHardError/Antimalware-Research/blob/master/BullGuard/Privileged%20File%20Delete/v20.0.371.8/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-20000 · Security Note
• https://osv.dev/vulnerability/CVE-2019-20000 · Vendor Advisory