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Cisco Bug: CSCuo51517 - CUCM does not validate SIP parameter

Last Modified

Feb 07, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

CUCM is not validating additional proxy header. This can lead to false attribution if an attacker is able to spoof some of this header, for example RPID, PAI or PPI

The attacker should be in line and able to spoof the SIP packet
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