CVE-2018-3971 — HIGH (7.8) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sophos	Hitmanpro.Alert	3.7.6.744

Related Weaknesses (CWE)

CWE-123

References

http://www.securityfocus.com/bid/105743Broken LinkThird Party AdvisoryVDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0636ExploitThird Party Advisory
http://www.securityfocus.com/bid/105743Broken LinkThird Party AdvisoryVDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0636ExploitThird Party Advisory

FAQ

What is CVE-2018-3971?

CVE-2018-3971 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...

How severe is CVE-2018-3971?

CVE-2018-3971 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3971?

Check the references section above for vendor advisories and patch information. Affected products include: Sophos Hitmanpro.Alert.