What is CVE-2018-3970?

CVE-2018-3970 is a medium-severity vulnerability in Sophos Hitmanpro.alert, classified under Use of Uninitialized Resource. CVSS score: 5.5/10. Published 2018-10-25.

How severe is CVE-2018-3970?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Sophos Hitmanpro.alert

CVE-2018-3970

An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.

EPSS: 0.005 (39.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Sophos Hitmanpro.alert — versions 3.7.6.744
Talos Sophos — versions Sophos Hitmanro.Alert - hmpalert.sys 3.7.6.744

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

talos-cna@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-3970?: CVE-2018-3970 is a medium-severity vulnerability in Sophos Hitmanpro.alert, classified under Use of Uninitialized Resource. CVSS score: 5.5/10. Published 2018-10-25.
How severe is CVE-2018-3970?: Medium severity. CVSS v3 base score is 5.5 out of 10.