CVE-2018-18366

moderate-risk
Published 2019-04-25

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.

Do I need to act?

-
0.09% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Symantec

References (4)

Third Party Advisory http://www.securityfocus.com/bid/107994
Vendor Advisory https://support.symantec.com/en_US/article.SYMSA1479.html
Third Party Advisory http://www.securityfocus.com/bid/107994
Vendor Advisory https://support.symantec.com/en_US/article.SYMSA1479.html
47
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 26/34 · High