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Test your applicationsUpgrade sipwise/rtpengine
to version 13.4.1.1 or higher.
Affected versions of this package are vulnerable to Origin Validation Error via improper origin validation in the endpoint-learning process. An attacker can inject or intercept RTP/SRTP media streams by sending crafted RTP packets.
Note:
This is only exploitable if the relay is not configured for strict source and learning is not disabled.
This vulnerability can be mitigated by enabling strict source configuration and disabling endpoint learning. When using SDES-SRTP, it is recommended to use both strict source
and recrypt
flags for complete protection.