bugtraq - Colasoft Capsa7.2.1 Malformed SNMP Packet Denial of Service

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Message-Id: <201109140202.p8E22CEs023416@sf01web2.securityfocus.com>
Date: Wed, 14 Sep 2011 02:02:12 GMT
From: vuln@...c.org.cn
To: bugtraq@...urityfocus.com
Subject: Colasoft Capsa7.2.1 Malformed SNMP Packet Denial of Service

Colasoft Capsa ,a commercial software,is a powerful network packet analyzer,and you can get it from http://www.colasoft.com.cn (China)and http://www.javvin.com(USA).
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I. Summary

A flaw has been identified in Colasoft Capsa 7.2.1 concerning SNMPv1 protocol dissector.When dissect a malformed snmpv1 packet,it will crash.
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II. Description
When you send a malformed snmpv1 packet to any ip address,Colasoft Capsa7.2.1 will capture the snmpv1 packet and will crash as soon as you check the snmpv1 packet.It is a denial of service
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III. Impact

Denial of service 
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IV. Affected
Colasoft Capsa 7.2.1 and before 7.2.1
------------------------------------------------ V.Solution

There is no known workaround at this time.

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VI.Credit

The penetration test team Of NCNIPC (China) is credited for this vulnerability.