SB2018090613 - Denial of service in Cisco Webex Player
Published: September 6, 2018
Security Bulletin ID
SB2018090613
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-2018-0457)
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.
The vulnerability exists in the Cisco Webex Player for Webex Recording Format (WRF) files due to insufficient input validation. A remote attacker can send a user a link or email attachment with a malicious WRF file, trick the victim into opening the file in the Cisco Webex Player and cause the player to crash.
Remediation
Install update from vendor's website.