CVE-2018-18366 Information disclosure in Norton Security

Medium 6.5 Published Updated

A specially crafted IRP request in Symantec security drivers can leak uninitialized kernel memory, potentially exposing sensitive data to local attackers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-18366?

CVE-2018-18366 is a medium-severity vulnerability in Symantec Endpoint Protection, published on 25 Apr 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Symantec 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 and SEP Cloud prior to 22.16.3 may be susceptible to a kernel memory disclosure, which is a type of issue where a specially crafted IRP request can cause the driver to return uninitialized memory.

Weakness: CWE-908

Which versions are affected by CVE-2018-18366?

It affects 4 products.

Products include Symantec Endpoint Protection, Symantec Endpoint Protection Cloud, Symantec Endpoint Protection Cloud Agent, Symantec Norton Security.

How do I fix CVE-2018-18366?

No fix has been published for CVE-2018-18366 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-18366 being exploited?

There is no known exploitation of CVE-2018-18366 in the wild and no public exploit code.

All Symantec Endpoint Protection vulnerabilities

Sources

Also known as GHSA-6mpj-9376-4g2w.

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