Vulnerability in Malwarefox Antimalware

CVE-2018-6593

An issue was discovered in MalwareFox AntiMalware 2.74.0.150. Improper access control in zam32.sys and zam64.sys allows a non-privileged process to register itself with the driver by connecting to the filter communication port and then using IOCTL 0x8000204C to \\.\ZemanaAntiMalware to elevate privileges.

EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-6593?
CVE-2018-6593 is a high-severity vulnerability in Malwarefox Antimalware, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2018-02-03.
How severe is CVE-2018-6593?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-6593 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.