9.3crit
CVE-2018-3971
An exploitable arbitrary write vulnerability exists in the 0x2222CC IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744.
Published 8 y ago · modified 4 mo ago · JSON
CVSS
9.3
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 46%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
0.54% probability of exploitation in the next 30 days, higher than 46% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.0 | 9.3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 9.3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Talos Sophos
Classification
- Weakness
- CWE-123 Write-what-where Condition
References
- securityfocus.com /bid/105743 · vdb-entry, x_refsource_BID, x_transferred
- talosintelligence.com /vulnerability_reports/TALOS-2018-0636 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2018-3971
- NVD: CVE-2018-3971
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