Multiple Vendor VoIP Phones Spoofed SIP Status Message Handling Weakness

Multiple Vendor VoIP Phones Spoofed SIP Status Message Handling Weakness

References:

Cisco 7900 Series IP Phones (Cisco)
Grandstream BudgeTone 100 series SIP Phones (Grandstream)
Re: VoIP-Phones: Weakness in proccessing SIP-Notify-Messages (Javor Ninov )
VoIP-Phones: Weakness in proccessing SIP-Notify-Messages (Tobias Glemser )

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