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Cisco Bug: CSCvv48060 - CUBE accepts SDP with invalid port number

Last Modified

Oct 07, 2020

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Due to some unspecified reason, provider send INVITE with SDP with malformed port number (eg. 111014), where the port value should has max. 65535 (16-bit integer) as per RFC:

CUBE instead of rejecting such call, is only discarding values over 16-bits, which ends up with calls merging, one way audio and call quality issues causing disruption to the production environment.

Invalid port (over 65535) present in SDP from provider
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