SB2017112110 - Denial of service in Cisco Meeting Server
Published: November 21, 2017
Security Bulletin ID
SB2017112110
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2017-12311)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to H.264 frame has an invalid picture parameter set (PPS) value. A remote attacker can send a specially crafted H.264 frame and cause the media process to restart.
Remediation
Install update from vendor's website.