PT-2019-15547 · Total Defense · Total Defense Anti-Virus

Ntraiseharderror · Published 2019-10-30 · Updated 2019-11-01 · CVE-2019-18644

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 Total Defense Anti-virus version 11.5.2.28

Description The issue concerns a TOCTOU bug in the malware scan function, which can be exploited through symbolic link attacks to delete privileged files.

Recommendations For Total Defense Anti-virus version 11.5.2.28, consider disabling the malware scan function 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-2019-18644

Affected Products

Total Defense Anti-Virus

References · 3

• 🔥 https://github.com/NtRaiseHardError/Antimalware-Research/blob/master/Total%20Defense/Privileged%20File%20Delete/v11.5.2.28/README.md · Exploit
• https://osv.dev/vulnerability/CVE-2019-18644 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-18644 · Security Note