CVE-2016-5311: High severity symantec endpoint protection vulnerability

Published Jan 9, 2020
·
Updated

A Privilege Escalation vulnerability exists in Symantec Norton Antivirus, Norton AntiVirus with Backup, Norton Security, Norton Security with Backup, Norton Internet Security, Norton 360, Endpoint Protection Small Business Edition Cloud, and Endpoint Protection Cloud Client due to a DLL-preloading without path restrictions, which could let a local malicious user obtain system privileges.

Affected Software

9 affected components
Symantec Endpoint Protection<22.8.0.50
Symantec Endpoint Protection Cloud<22.8.0.50
Symantec Norton 360<22.7
Symantec Norton Antivirus<22.7
Symantec Norton AntiVirus with Backup<22.7
Symantec Norton Family<22.7
Symantec Norton Internet Security<22.7
Symantec Norton Security<22.7
Symantec Norton Security with Backup<22.7

Event History

Jan 9, 2020
CVE Published
via MITRE·07:30 PM
Data Sourced
via MITRE·07:30 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2016-5311?

CVE-2016-5311 is a Privilege Escalation vulnerability that exists in Symantec Norton Antivirus, Norton AntiVirus with Backup, Norton Security, Norton Security with Backup, Norton Internet Security, Norton 360, Endpoint Protection Small Business Edition Cloud, and Endpoint Protection Cloud Client.

2

How severe is CVE-2016-5311?

CVE-2016-5311 has a severity rating of 7.8 (High).

3

Which software products are affected by CVE-2016-5311?

CVE-2016-5311 affects Symantec Norton Antivirus, Norton AntiVirus with Backup, Norton Security, Norton Security with Backup, Norton Internet Security, Norton 360, Endpoint Protection Small Business Edition Cloud, and Endpoint Protection Cloud Client.

4

How can I fix CVE-2016-5311?

To fix CVE-2016-5311, it is recommended to update to a version higher than 22.8.0.50 for Symantec Endpoint Protection, Symantec Endpoint Protection Cloud, Symantec Norton 360, Symantec Norton AntiVirus, Symantec Norton Antivirus With Backup, Symantec Norton Family, Symantec Norton Internet Security, Symantec Norton Security, and Symantec Norton Security With Backup.

5

Where can I find more information about CVE-2016-5311?

You can find more information about CVE-2016-5311 at the following references: [SecurityFocus](http://www.securityfocus.com/bid/94295) and [SecurityTracker](http://www.securitytracker.com/id/1037323, http://www.securitytracker.com/id/1037324).

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