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5.5

STOPzilla AntiMalware can crash when handling certain requests

CVE-2018-15730 · published 7 years ago
Summary

The STOPzilla AntiMalware version 6.5.2.59 includes a driver (szkg64.sys) that does not properly check a data address it receives. An attacker could send a specially crafted request that causes the driver to stop working, leading to a system crash or freeze. Apply the vendor's update or patch as soon as it is available to prevent this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
stopzilla antimalware 6.5.2.59
cpe:2.3:a:stopzilla:antimalware:6.5.2.59:*:*:*:*:*:*:*
Original advisory text
An issue was discovered in STOPzilla AntiMalware 6.5.2.59. The driver file szkg64.sys contains a Denial of Service vulnerability due to not validating the output buffer address value from IOCtl 0x8...
An issue was discovered in STOPzilla AntiMalware 6.5.2.59. The driver file szkg64.sys contains a Denial of Service vulnerability due to not validating the output buffer address value from IOCtl 0x80002067.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-20Improper Input Validation
Timeline
Published21 Jun 2019
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2018-15730 · NVD
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