Net-SNMP snmpnetstat Remote Heap Overflow Vulnerability

BID:3780

Info

Net-SNMP snmpnetstat Remote Heap Overflow Vulnerability

Bugtraq ID: 3780
Class: Boundary Condition Error
CVE: CVE-2002-1570
Remote: Yes
Local: No
Published: Jan 03 2002 12:00AM
Updated: Jul 11 2009 09:56AM
Credit: Discovered by Juan M. de la Torre <[email protected]> and published in an Axioma advisory on December 3, 2001.
Vulnerable: SCO OpenLinux Workstation 3.1.1
SCO OpenLinux Server 3.1.1
Net-SNMP ucd-snmp 4.2.3
Not Vulnerable:

Discussion

Net-SNMP snmpnetstat Remote Heap Overflow Vulnerability

Net-SNMP is a package of software tools related to the Simple Network Management Protocol. One of the tools included is snmpnetstat, which can be used to retrieve and display a variety of information about a remote SNMP host.

A heap overflow vulnerability exists in the snmpnetstat client. A SNMP host may return malicious information when a list of interfaces is requested. Under some circumstances, this will result in a heap overflow in the SNMP client. Exploitation of this vulnerability can result in the execution of abritary code as the snmpnetstat client.

Earlier versions of Net-SNMP may also be vulnerable.

Exploit / POC

Net-SNMP snmpnetstat Remote Heap Overflow Vulnerability

An exploit has been provided by Juan M. de la Torre &lt;[email protected]&gt;:

Solution / Fix

Net-SNMP snmpnetstat Remote Heap Overflow Vulnerability

Solution:
SCO have released an advisory (CSSA-2003-029.0) and fixes to address this issue in OpenLinux server and workstation. Affected users are advised to apply upgrades as soon as possible. Further information regarding the application of these upgrades is available in the referenced advisory. Fixes are linked below.

Fixes are available:


SCO OpenLinux Workstation 3.1.1

SCO OpenLinux Server 3.1.1

Net-SNMP ucd-snmp 4.2.3

References

Net-SNMP snmpnetstat Remote Heap Overflow Vulnerability

References:

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