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Former Member
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Message 1 of 4

SSL: Malicious use_srtp Extension Detected in TLS alerts are coming

Hi, We are getting below open ssl alerts, please check the validity of this traffic. Required logs are attached. SSL: Malicious use_srtp Extension Detected in TLS alerts are coming NSM S/w Version 9.1.7.75 Sensor Model M2850 Sensor S/W Ver 9.1.3.14 Sig Ver 10.8.7.2
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fkazi04
McAfee Employee
McAfee Employee
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Message 2 of 4

Re: SSL: Malicious use_srtp Extension Detected in TLS alerts are coming

Hi @Former Member 

This alert indicates usage of malicious use_srtp extension in client hello packet. If you believe the alerts are false positives, please collect evidence report and submit to the Support Team for further analysis.

 

Steps to get evidence reports:

https://kc.mcafee.com/corporate/index?page=content&id=KB55743

 

Regards,
Faizan

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Re: SSL: Malicious use_srtp Extension Detected in TLS alerts are coming

Hi,

We are getting "SSL: Malicious use_srtp Extension Detected in TLS" alert too. What can we do to avoid this alert or what is the solution suggestion? How can we test for false positives?

I would be glad if you could explain

Thanks already for helping

fkazi04
McAfee Employee
McAfee Employee
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Message 4 of 4

Re: SSL: Malicious use_srtp Extension Detected in TLS alerts are coming

Hello @Sekerbank 

Please export the evidence report from the attack logs (5-7 instances) and submit it to Support Team. To confirm false positive it is necessary to review packet captures.

 

Regards,
Faizan

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