Write-what-where Condition in HitmanPro.Alert - CVE-2018-3971
Published: October 25, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36481
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-3971
CWE-ID: CWE-123
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Sophos
Affected software:
HitmanPro.Alert
HitmanPro.Alert
Detailed vulnerability description
The vulnerability allows a local authenticated user to execute arbitrary code.
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.
How to mitigate CVE-2018-3971
Install update from vendor's website.