CVE-2018-18366 Explained : Impact and Mitigation
Learn about CVE-2018-18366 affecting Symantec Norton Security, SEP, and SEP Cloud. Find out how to mitigate the kernel memory disclosure vulnerability and protect your systems.
Symantec Norton Security, SEP (Windows client), SEP SBE, and SEP Cloud versions prior to specified versions may be vulnerable to a kernel memory disclosure issue.
Understanding CVE-2018-18366
This CVE involves a vulnerability that could allow kernel memory disclosure in certain Symantec products.
What is CVE-2018-18366?
The vulnerability in CVE-2018-18366 allows for kernel memory disclosure when a specially designed IRP request triggers the driver to return uninitialized memory.
The Impact of CVE-2018-18366
The vulnerability could potentially lead to unauthorized access to sensitive kernel memory data, posing a risk to system security and confidentiality.
Technical Details of CVE-2018-18366
This section provides more in-depth technical insights into the CVE-2018-18366 vulnerability.
Vulnerability Description
The vulnerability in Symantec products allows for kernel memory disclosure due to the way IRP requests are handled by the driver, leading to uninitialized memory being returned.
Affected Systems and Versions
The following Symantec products and versions are affected:
- Norton Security prior to 22.16.3
- SEP (Windows client) prior to and including 12.1 RU6 MP9, and prior to 14.2 RU1
- SEP SBE prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002
- SEP Cloud prior to 22.16.3
Exploitation Mechanism
The vulnerability can be exploited by crafting a specific IRP request to trigger the driver to disclose uninitialized kernel memory.
Mitigation and Prevention
To address CVE-2018-18366, follow these mitigation and prevention measures:
Immediate Steps to Take
- Apply security patches provided by Symantec promptly.
- Monitor Symantec's security advisories for updates and guidance.
Long-Term Security Practices
- Regularly update Symantec products to the latest versions.
- Implement robust security measures to protect against potential memory disclosure vulnerabilities.
Patching and Updates
- Symantec may release patches or updates to address the vulnerability; ensure timely installation to mitigate risks.