SB2017052506 - Filtering bypass in Cisco Firepower Management Center
Published: May 25, 2017
Security Bulletin ID
SB2017052506
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Filtering bypass (CVE-ID: CVE-2017-6674)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote unauthenticated attacker to bypass URL filters on the target system.
The weakness exists in the feature-license management functionality of Cisco Firepower System Software due to insufficient validation of user-supplied input. A remote attacker can send traffic matching a configured URL filter and bypass URL filters to access certain websites.
Successful exploitation of the vulnerability results in access to the website.
Remediation
Install update from vendor's website.