[cisco-voip] Phone Load 8.5(4) Bug Question

Ryan Ratliff rratliff at cisco.com
Fri May 7 15:10:57 EDT 2010


The words "crafted packets" sounds malicious to me.  

-Ryan

On May 7, 2010, at 2:54 PM, Carter, Bill wrote:

> Release notes for 8.5(4) saw the following bug is resolved:
> 
> Cisco Unified IP Phone may reload when receiving fragmented packets
> 
> CSCtb03394 Bug Details
> Third gen phones (TNP) may reload when receiving crafted packets
> 
> Symptom:
> A crafted IP packet may cause third generation IP phones to reload.
> 
> Further Problem Description:
> If the crafted packet is received during a call, the call will be lost.
> 
> 
> Can I get some clarification on what type of packets will cause this?
> Malicious packets or maybe just packets with errors? Is this something
> that must be intentional done on the network or just if some fragmented
> packets on the network?
> 
> 
> -Bill
> 
> 
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