VulnerabilityModified
CVE-2019-18194
TotalAV 2020 4.14.31 has a quarantine flaw that allows privilege escalation.
HIGH 7.8EPSS 2.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
TotalAV 2020 4.14.31 has a quarantine flaw that allows privilege escalation. Exploitation uses an NTFS directory junction to restore a malicious DLL from quarantine into the system32 folder.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.21% probability · 82th percentile
- CISA KEV
- Not listed
- Affected
- totalav/totalav 2020
- Source
- cve@mitre.org
References
- https://bogner.sh/2017/11/avgater-getting-local-admin-by-abusing-the-anti-virus-quarantine/Third Party Advisory
- https://www.youtube.com/watch?v=88qeaLq98GcExploit, Third Party Advisory
- https://bogner.sh/2017/11/avgater-getting-local-admin-by-abusing-the-anti-virus-quarantine/Third Party Advisory
- https://www.youtube.com/watch?v=88qeaLq98GcExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.