SB2018051716 - Denial of service in Cisco Meeting Server
Published: May 17, 2018
Security Bulletin ID
SB2018051716
CSH 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 vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-0280)
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:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the Real-Time Transport Protocol (RTP) bitstream processing due to insufficient input validation of incoming RTP bitstreams. A remote attacker can send a specially crafted RTP bitstream to a target Cisco Meeting Server, deny audio and video services and cause the service to crash.
Remediation
Install update from vendor's website.