Cisco SN 5420 Storage Router Fragmented Packet DoS Vulnerability

BID:3833

Info

Cisco SN 5420 Storage Router Fragmented Packet DoS Vulnerability

Bugtraq ID: 3833
Class: Failure to Handle Exceptional Conditions
CVE:
Remote: Yes
Local: No
Published: Jan 09 2002 12:00AM
Updated: Jan 09 2002 12:00AM
Credit: This vulnerability was first publicized in a Cisco Security Advisory on January 9th, 2002.
Vulnerable: Cisco SN 5420 Storage Router 1.1 (5)
Cisco SN 5420 Storage Router 1.1 (4)
Cisco SN 5420 Storage Router 1.1 (3)
Cisco SN 5420 Storage Router 1.1 (2)
- Microsoft Windows 2000 Professional SP2
 - Microsoft Windows 2000 Professional SP1
 - Microsoft Windows 2000 Professional
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows NT 4.0 SP6a
 - Microsoft Windows NT 4.0 SP6
 - Microsoft Windows NT 4.0 SP5
 - Microsoft Windows NT 4.0 SP4
 - Microsoft Windows NT 4.0 SP3
 - Microsoft Windows NT 4.0 SP2
 - Microsoft Windows NT 4.0
Not Vulnerable: Cisco SN 5420 Storage Router 1.1 (7)

Discussion

Cisco SN 5420 Storage Router Fragmented Packet DoS Vulnerability

Cisco SN 5420 Storage Routers running software releases up to and including 1.1(5) are prone to remote denial of service attacks.

It is possible to cause a denial of service by sending a fragmented packet over the GigaBit interface of a vulnerable Cisco SN 5420 Storage Router.

The router must be restarted to regain normal functionality.

Cisco has identified this issue as bug number CSCdu45417.

Exploit / POC

Cisco SN 5420 Storage Router Fragmented Packet DoS Vulnerability

There is no exploit code required.

Solution / Fix

Cisco SN 5420 Storage Router Fragmented Packet DoS Vulnerability

Solution:
This issue has been addressed in release 1.1(7) of the router's software.


Cisco SN 5420 Storage Router 1.1 (2)

Cisco SN 5420 Storage Router 1.1 (4)

Cisco SN 5420 Storage Router 1.1 (5)

Cisco SN 5420 Storage Router 1.1 (3)

References

Cisco SN 5420 Storage Router Fragmented Packet DoS Vulnerability

References:

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