Use of uninitialized resource in Talos Sophos
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-908 and the CVSS impact.
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Talos | Sophos | Sophos Hitmanro.Alert - hmpalert.sys 3.7.6.744 | — | No fix listed | CNA |
- Sophos VendorTalos Affected Sophos Hitmanro.Alert - hmpalert.sys 3.7.6.744 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3970
- 2026-10-03 Alias added: GHSA-8633-582r-38wv
References
More Sophos Hitmanpro.alert vulnerabilities
- TI-2018-02939 An exploitable arbitrary write vulnerability exists in the 0x2222CC IOCTL handler… CVSS 3.1HIGH 7.8
- TI-2020-07630 Sophos HitmanPro.Alert before build 861 allows local elevation of privilege. CVSS 3.1HIGH 7.8
- TI-2021-07522 A local attacker could execute arbitrary code with administrator privileges in HitmanPro.Alert before version Build 901. CVSS 3.1MEDIUM 6.7
Sources
- CVE-2018-3970 · CVE Program
- CVE-2018-3970 · NVD
- FIRST EPSS
- GHSA-8633-582r-38wv · GitHub Advisory Database · CC BY 4.0
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