RICOH Aficio 450/455 PCL 5e Printer ICMP DOS vulnerability

AUTHOR:

(Fortinet, inc)

Hongzhen Zhou<felix__zhou _at_ hotmail _dot_ com>

DATE:

14/12/2004

PRODUCTS:

RICOH Aficio 450/455 PCL 5e Printer(SAVIN 9945 DPE/2045 DPE)

Other RICOH Aficio products (or Toshiba printer products?)may be vulnerable

DETAILS:

RICOH Aficio 450/455 PCL does not conduct some kinds of ICMP

packet properly.

If it receives a icmp packet that:

1. icmp total length is bigger than 28(8 header + 20 data)

2. icmp[0] == 3 (or 4, 11 , 12. other value?)

3. icmp[17] == 17 or 6(other value?) -- (protocol field in ip header?)

then it reboots.

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