cisco-sa-20190206-cms-dos: Cisco Meeting Server Denial of Service Vulnerability
First published: Wed Feb 06 2019(Updated: )
A vulnerability in Cisco Meeting Server could allow an authenticated, remote attacker to cause a partial denial of service (DoS) to Cisco Meetings application users who are paired with a Session Initiation Protocol (SIP) endpoint. The vulnerability is due to improper validation of coSpaces configuration parameters. An attacker could exploit this vulnerability by inserting crafted strings in specific coSpace parameters. An exploit could allow the attacker to prevent clients from joining a conference call in the affected coSpace. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-cms-dos
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Webex Meetings Server |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-20190206-cms-dos?
The severity of cisco-sa-20190206-cms-dos is classified as high due to its potential to cause a partial denial of service.
How do I fix cisco-sa-20190206-cms-dos?
To fix cisco-sa-20190206-cms-dos, it is recommended to upgrade to the latest version of Cisco Meeting Server that addresses this vulnerability.
Who is affected by cisco-sa-20190206-cms-dos?
Cisco Meeting Server users who are authenticated and using a Session Initiation Protocol (SIP) endpoint are affected by cisco-sa-20190206-cms-dos.
What causes cisco-sa-20190206-cms-dos?
cisco-sa-20190206-cms-dos is caused by improper validation of certain requests made to the Cisco Meeting Server.
Is there a workaround for cisco-sa-20190206-cms-dos?
Currently, there are no documented workarounds for cisco-sa-20190206-cms-dos, so applying the recommended software updates is essential.
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