SB2017080310 - Denial of service in Cisco Meeting Server
Published: August 3, 2017
Security Bulletin ID
SB2017080310
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Denial of service (CVE-ID: CVE-2017-6763)
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the implementation of the H.264 protocol in Cisco Meeting Server (CMS) due to improper validation of Fragmentation Unit (FU-A) protocol packets. A remote attacker can send a specially crafted H.264 FU-A packet through the affected application and trigger an unexpected restart of the CMS media process.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.