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Security Advisories Relating to Symantec Products - Norton App Lock Bypass


November 30, 2016

Overview | Issues | Affected Products | Mitigation | Acknowledgements | Revisions




Symantec has addressed an issue where on some Android devices, Norton App Lock could have been bypassed, which could have allowed locked applications to be opened.


Highest severity issue: Medium
Number of issues: 1


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This update applies to the following issues:




Bypass of Norton App Lock




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Symantec has verified the issues and addressed them in product updates as outlined below.



The following versions of Norton App Lock for Android are affected.




Norton App Lock for Android version and prior

Customers will be notified of the latest update, see mitigations below for details.


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Bypass of Norton App Lock


BID: 94343

Severity: Medium (CVSSv3: 6.6 ) AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

Impact: Information disclosure

Exploitation: None

Date patched: November 17, 2016

Norton App Lock allows users to use a secure password or pattern to lock Android applications, securing the data that these applications access. On a subset of Android devices, if "application pinning" had been enabled, locked applications could have been opened through a specific series of selections on the device.


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Norton App Lock for Android has been updated to fix this issue. Customers will either be notified that their product has been auto-updated or will be notified that an update is available for them to install, depending on configuration


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  • Samuel Siino (CVE-2016-6591)



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  • None 



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Symantec takes the security and proper functionality of our products very seriously. As founding members of the Organization for Internet Safety (OISafety), Symantec supports and follows responsible disclosure guidelines.
Symantec has developed a Software Security Vulnerability Management Process document outlining the process we follow in addressing suspected vulnerabilities in our products.
Symantec Corporation firmly believes in a proactive approach to secure software development and implements security review into various stages of the software development process. Additionally, Symantec is committed to the security of its products and services as well as to its customers’ data. Symantec is committed to continually improving its software security process.
This document provides an overview of the current Secure Development Lifecycle (SDLC) practice applicable to Symantec’s product and service teams as well as other software security related activities and policies used by such teams. This document is intended as a summary and does not represent a comprehensive list of security testing and practices conducted by Symantec in the software development process.
Please contact secure@symantec.com if you believe you have discovered a security issue in a Symantec product. A member of the Symantec Software Security team will contact you regarding your submission to coordinate any required response. Symantec strongly recommends using encrypted email for reporting vulnerability information to secure@symantec.com.
The Symantec Software Security PGP key can be found at the following location:
Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Software Security. Reprinting the whole or part of this alert in any medium other than electronically requires permission from secure@symantec.com.
Last modified on: November 30, 2016
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