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Stack overflow vulnerability in Wind River VxWorks

Intel ID:  INTEL-SA-00064
Product family:  Wind River VxWorks
Impact of vulnerability Elevation of Privilege
Severity rating Critical
Original release:  Nov 01, 2016
Last revised:  Nov 01, 2016

Summary: 

WindRiver is releasing mitigations for a privilege escalation issue. This issue affects versions of Wind River VxWorks products. The issue being mitigated is a method to execute arbitrary code without user interactions.

Description: 

Anonymous remote attackers can cause a stack overflow, which can be used to obtain remote code execution on affected devices running vulnerable VxWorks versions without any user interactions.

The table below provides the list of WindRiver VxWorks product versions, impacted by the issue as well as the mitigated versions and update source for the fix. If the customer system has VxWorks version lower than one listed in the table, the customer is strongly recommended to upgrade the VxWorks to the version listed below, or later.

Affected products:

Product Impacted versions Mitigated versions Update source
VxWorks 6.x 6.5 – 6.9.4.7 6.9.4.8 or later Wind River product installer
VxWorks 6.x 6.5 – 6.9.3 6.9.3.1 or later Wind River product installer
VxWorks 7 ipnet_dnsc-1.0.1.2 or earlier ipnet_dnsc-1.0.1.3 or later Wind River product installer

Recommendations: 

Intel strongly recommends customers using impacted versions of WindRiver VxWorks to upgrade to the latest version listed in the table above.

Acknowledgements: 

Alex Wheeler, David Barksdale – Exodus Intelligence

Related Information: 

See VxWorks security alerts on https://knowledge.windriver.com/Content_Lookup?id=K-506176 & https://knowledge.windriver.com/Content_Lookup?id=K-506177

Revision history:

Revision

Date

Description

1.0

01-November-2016

Initial Release

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