VULNERABILITY INTELLIGENCE

CVE-2018-3971

CVSS score7.8 HIGH

EPSS probability0.54%

CISA KEVNot currently listed

Published2018-10-25

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

An exploitable arbitrary write vulnerability exists in the 0x2222CC IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to write data under controlled by an attacker address, resulting in memory corruption. An attacker can send IRP request to trigger this vulnerability.

Weakness classification

CWE-123: Write-what-where Condition

Primary references

talos-cna@cisco.com — Broken Link, Third Party Advisory, VDB Entry
talos-cna@cisco.com — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory