full-disclosure - Buffer Overflow in dnsmap 0.22 - DNS Network Mapper by pagvac (gnucitizen.org)

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Message-ID: <bb31befc0902250736l7973ff05m628ba2609a9dabad@mail.gmail.com>
Date: Wed, 25 Feb 2009 17:36:46 +0200
From: srl <security.research.labs@...il.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Buffer Overflow in dnsmap 0.22 - DNS Network
	Mapper by pagvac (gnucitizen.org)

Security Advisory:

PRODUCT
************
http://www.gnucitizen.org/blog/new-version-of-dnsmap-out/
http://www.gnucitizen.org/static/blog/2009/02/dnsmap-022.tar

This this is a great tool, used by the two pentesters, pagvac and pdp

TECHNICAL DESCRIPTION
********************************
A local buffer overflow exist in dnsmap 0.22.
$ dnsmap -r `perl -e 'print "A"x250'`
dnsmap 0.22 - DNS Network Mapper by pagvac (gnucitizen.org)

Segmentation fault

SOLUTION
*************
Wait until pagvac will learn about strncpy().

Content of type "text/html" skipped

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