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Rewterz Threat Advisory – CVE-2019-1678 – Cisco Meeting Server Denial of Service Vulnerability

Severity

Medium

Category

Vulnerability

Analysis Summary

Marked as a failure to handle exceptional conditions, 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.

Impact


Denial of Service

Affected Products

Cisco Meeting Server 2.3.7

Cisco Meeting Server 2.3.6

Cisco Meeting Server 2.4

Remediation

Updates are available. The following two versions are also not vulnerable to this flaw.

Cisco Meeting Server 2.4.3

Cisco Meeting Server 2.3.9

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