SB2017101913 - Denial of service in Cisco Expressway Series and Cisco TelePresence Video Communication Server
Published: October 19, 2017 Updated: May 23, 2018
Security Bulletin ID
SB2017101913
CSH Severity
Low
Patch available
NO
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-2017-12287)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote authenticated attacker to cause DoS conditions.
The weakness exists in the cluster database (CDB) management component of Cisco Expressway Series Software and Cisco TelePresence Video Communication Server (VCS) Software due to incomplete input validation of URL requests by the REST API. A remote attacker can send a specially crafted URL to the REST API and cause the CDB process on an affected system to restart.
Successful exploitation of the vulnerability may result in denial of service.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.