CVE-2018-18366
First published: Thu Apr 25 2019(Updated: )
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.
Credit: secure@symantec.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Symantec Endpoint Protection | =11.0 | |
| Symantec Endpoint Protection | =11.0-mr1 | |
| Symantec Endpoint Protection | =11.0-mr2 | |
| Symantec Endpoint Protection | =11.0-mr3 | |
| Symantec Endpoint Protection | =11.0-mr4 | |
| Symantec Endpoint Protection | =11.0-mr4-mp2 | |
| Symantec Endpoint Protection | =11.0-ru5 | |
| Symantec Endpoint Protection | =11.0-ru6 | |
| Symantec Endpoint Protection | =11.0-ru6-mp1 | |
| Symantec Endpoint Protection | =11.0-ru6-mp2 | |
| Symantec Endpoint Protection | =11.0-ru6-mp3 | |
| Symantec Endpoint Protection | =11.0-ru6a | |
| Symantec Endpoint Protection | =11.0-ru7 | |
| Symantec Endpoint Protection | =11.0-ru7-mp1 | |
| Symantec Endpoint Protection | =11.0-ru7-mp2 | |
| Symantec Endpoint Protection | =11.0-ru7-mp4 | |
| Symantec Endpoint Protection | =11.0-ru7-mp4a | |
| Symantec Endpoint Protection | =11.0-ry7-mp3 | |
| Symantec Endpoint Protection | =12.1 | |
| Symantec Endpoint Protection | =12.1-ru1 | |
| Symantec Endpoint Protection | =12.1-ru1-mp1 | |
| Symantec Endpoint Protection | =12.1-ru2 | |
| Symantec Endpoint Protection | =12.1-ru2-mp1 | |
| Symantec Endpoint Protection | =12.1-ru3 | |
| Symantec Endpoint Protection | =12.1-ru4 | |
| Symantec Endpoint Protection | =12.1-ru4-mp1 | |
| Symantec Endpoint Protection | =12.1-ru4-mp1a | |
| Symantec Endpoint Protection | =12.1-ru4-mp1b | |
| Symantec Endpoint Protection | =12.1-ru4a | |
| Symantec Endpoint Protection | =12.1-ru5 | |
| Symantec Endpoint Protection | =12.1-ru6 | |
| Symantec Endpoint Protection | =12.1-ru6-mp1 | |
| Symantec Endpoint Protection | =12.1-ru6-mp10 | |
| Symantec Endpoint Protection | =12.1-ru6-mp2 | |
| Symantec Endpoint Protection | =12.1-ru6-mp3 | |
| Symantec Endpoint Protection | =12.1-ru6-mp4 | |
| Symantec Endpoint Protection | =12.1-ru6-mp5 | |
| Symantec Endpoint Protection | =12.1-ru6-mp6 | |
| Symantec Endpoint Protection | =12.1-ru6-mp7 | |
| Symantec Endpoint Protection | =12.1-ru6-mp8 | |
| Symantec Endpoint Protection | =14 | |
| Symantec Endpoint Protection | =14-mp1 | |
| Symantec Endpoint Protection | =14.0.0-mp2 | |
| Symantec Endpoint Protection | =14.0.1 | |
| Symantec Endpoint Protection | =14.0.1-mp1 | |
| Symantec Endpoint Protection | =14.0.1-mp2 | |
| Symantec Endpoint Protection | =14.2 | |
| Symantec Endpoint Protection | =14.2-mp1 | |
| Symantec Endpoint Protection | =nis-22.15.2.22 | |
| Symantec Endpoint Protection | =sep-12.1.7484.7002 | |
| Symantec Endpoint Protection | <22.16.3 | |
| Symantec Endpoint Protection Cloud | <3.00.31.2817 | |
| Symantec Norton Security | <22.16.3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-18366?
CVE-2018-18366 has been classified with a medium severity rating due to its potential impact on kernel memory disclosure.
How do I fix CVE-2018-18366?
To remediate CVE-2018-18366, update to Symantec Norton Security version 22.16.3 or higher, and ensure SEP versions are at least 12.1 RU7 or 14.2 RU1.
Which software is affected by CVE-2018-18366?
CVE-2018-18366 affects Symantec Norton Security, various versions of Symantec Endpoint Protection, and specific releases of SEP Cloud and SEP SBE.
What are the potential risks of CVE-2018-18366?
The risks associated with CVE-2018-18366 include unauthorized access to sensitive kernel memory, which could lead to further exploitation.
Is there a workaround for CVE-2018-18366?
Currently, there are no known workarounds for CVE-2018-18366 other than applying the recommended updates to affected Symantec products.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
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- agent/softwarecombine
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- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/symantec
- canonical/symantec endpoint protection
- version/symantec endpoint protection/11.0
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- version/symantec endpoint protection/11.0-ru7
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- version/symantec endpoint protection/11.0-ru7-mp2
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- version/symantec endpoint protection/11.0-ru7-mp4a
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- version/symantec endpoint protection/12.1-ru5
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- version/symantec endpoint protection/12.1-ru6-mp2
- version/symantec endpoint protection/12.1-ru6-mp3
- version/symantec endpoint protection/12.1-ru6-mp4
- version/symantec endpoint protection/12.1-ru6-mp5
- version/symantec endpoint protection/12.1-ru6-mp6
- version/symantec endpoint protection/12.1-ru6-mp7
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- version/symantec endpoint protection/14
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- version/symantec endpoint protection/14.0.1-mp2
- version/symantec endpoint protection/14.2
- version/symantec endpoint protection/14.2-mp1
- version/symantec endpoint protection/nis-22.15.2.22
- version/symantec endpoint protection/sep-12.1.7484.7002
- canonical/symantec endpoint protection cloud
- canonical/symantec norton security