CVE-2018-3970 : What You Need to Know
Learn about CVE-2018-3970, a vulnerability in Sophos HitmanPro.Alert 3.7.6.744 that allows memory disclosure, potentially exposing kernel memory. Find mitigation steps and prevention measures here.
A vulnerability in the 0x222000 IOCTL handler feature of Sophos HitmanPro.Alert 3.7.6.744 allows for memory disclosure, potentially leading to the exposure of kernel memory.
Understanding CVE-2018-3970
This CVE involves a vulnerability in Sophos HitmanPro.Alert 3.7.6.744 that can be exploited to disclose memory contents.
What is CVE-2018-3970?
The vulnerability lies in the 0x222000 IOCTL handler feature of Sophos HitmanPro.Alert 3.7.6.744, where manipulating an IRP request can expose uninitialized memory, leading to kernel memory disclosure.
The Impact of CVE-2018-3970
- CVSS Base Score: 4 (Medium Severity)
- Attack Vector: Local
- Attack Complexity: Low
- Confidentiality Impact: Low
- Integrity Impact: None
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Technical Details of CVE-2018-3970
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows an attacker to send a specially crafted IRP request to disclose memory contents, potentially exposing kernel memory.
Affected Systems and Versions
- Product: Sophos HitmanPro.Alert
- Vendor: Talos
- Affected Version: 3.7.6.744
Exploitation Mechanism
By manipulating an IRP request, an attacker can trigger the driver to expose uninitialized memory, leading to the disclosure of kernel memory.
Mitigation and Prevention
Protecting systems from CVE-2018-3970 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor
- Monitor for any suspicious activities on the system
- Implement least privilege access controls
Long-Term Security Practices
- Regularly update and patch software and drivers
- Conduct security assessments and audits periodically
- Educate users on safe computing practices
Patching and Updates
- Ensure that the affected software is updated to a secure version
- Stay informed about security advisories and updates from the vendor