CVE-2012-4687

Post Oak Bluetooth Traffic Systems Insufficient Entropy

Description

Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.

Remediation

Solution:

  • Post Oak has developed a patch for the AWAM Bluetooth Reader Traffic System that mitigates the vulnerability. The patch allows the Bluetooth reader to ensure sufficient entropy exists before generating host and authentication keys. The patch will be installed on all new devices when initially configured. Existing equipment will be patched by remote access and upgraded to the latest firmware. System owners are encouraged to contact Post Oak Traffic Systems, support@postoaktraffic.com, (281) 381-2887. with questions patching their systems.

Categories

7.6
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.34%
Affected: Post Oak Traffic Systems AWAM Bluetooth Reader Traffic System
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/news-events/ics-advisories/icsa-12-335-01
http://www.postoaktraffic.com/contact.aspx
http://www.us-cert.gov/control_systems/pdf/ICSA-12-335-01.pdf us government resource

Frequently Asked Questions

What is the severity of CVE-2012-4687?
CVE-2012-4687 has been scored as a high severity vulnerability.
How to fix CVE-2012-4687?
To fix CVE-2012-4687: Post Oak has developed a patch for the AWAM Bluetooth Reader Traffic System that mitigates the vulnerability. The patch allows the Bluetooth reader to ensure sufficient entropy exists before generating host and authentication keys. The patch will be installed on all new devices when initially configured. Existing equipment will be patched by remote access and upgraded to the latest firmware. System owners are encouraged to contact Post Oak Traffic Systems, support@postoaktraffic.com, (281) 381-2887. with questions patching their systems.
Is CVE-2012-4687 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-4687 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2012-4687?
CVE-2012-4687 affects Post Oak Traffic Systems AWAM Bluetooth Reader Traffic System.
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