NetMeeting Remote Desktop Sharing Denial of Service Vulnerability

vendor:

NetMeeting

by:

SecurityFocus

7.5

CVSS

HIGH

Denial of Service

400

CWE

Product Name: NetMeeting

Affected Version From: NT 4.0 / 2000

Affected Version To: NT 4.0 / 2000

Patch Exists: YES

Related CWE: CVE-2000-0753

CPE: //a:microsoft:netmeeting

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows

2000

NetMeeting Remote Desktop Sharing Denial of Service Vulnerability

The Remote Desktop Sharing component of Microsoft NetMeeting for Windows NT 4.0 / 2000 does not properly handle a particular type of malformed input string sent over port 1720. CPU utilization can be caused to spike to 100% and any existing NetMeeting sessions would fail in the event of an attack. Restarting the application would be required in order to regain normal functionality.

Mitigation:

Install the latest patch.

Source

Exploit-DB raw data:

source: https://www.securityfocus.com/bid/1798/info

The Remote Desktop Sharing component of Microsoft NetMeeting for Windows NT 4.0 / 2000 does not properly handle a particular type of malformed input string sent over port 1720. CPU utilization can be caused to spike to 100% and any existing NetMeeting sessions would fail in the event of an attack. Restarting the application would be required in order to regain normal functionality.

NetMeeting, including the affected component Remote Desktop Sharing, is shipped with Microsoft 2000 but is not enabled by default. NetMeeting can be downloaded as an add-on for NT 4.0.

*A new variant of this vulnerability has been discovered, the result of the new variant is the same as the originally discovered issue. No further technical details have been made available. User's are encouraged to install the latest patch.

nc target 1720 < /dev/zero