High severity · published Oct 25, 2018
CVE-2018-3971
An exploitable arbitrary write vulnerability exists in the 0x2222CC IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744
7.8
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HI
Hitmanpro.alert · Sophos
3.7.6.744 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3971
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-3971
Broken Link
http://www.securityfocus.com/bid/105743
Exploit
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0636
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5.5
CVE-2018-3970
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