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CVE-2018-3971

CRITICAL
Published 2018-10-25T18:00:00Z
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Expert Analysis

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CVSS Score

V3.0
9.3
/10
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.173
Higher than 17.3% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Talos

Sophos

Affected Versions:

Sophos HitmanPro.Alert - hmpalert.sys 3.7.6.744 - Windows 7 x86

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-6hfq-h92h-wjrw

Advisory Details

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 Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-3971
WEB https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0636
WEB http://www.securityfocus.com/bid/105743

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

http://www.securityfocus.com/bid/105743
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0636
Published: 2018-10-25T18:00:00Z
Last Modified: 2024-09-17T02:27:34.114Z
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