CVE-2018-3970 json
An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744.
published 2018-10-25 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15756
- cvss
- 4.0
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0635 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.0 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Talos Sophos
Classification
- Weakness
-
- CWE-908 Use of Uninitialized Resource
References
-
talosintelligence.com
/vulnerability_reports/TALOS-2018-0635
exploit, third-party-advisory
-
securityfocus.com
/bid/105743
vdb-entry, broken-link, third-party-advisory
Sources
- CVE List CVE-2018-3970
- NVD CVE-2018-3970
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.