SB2016072801 - Snort rule bypass vulnerability in Cisco FireSIGHT
Published: July 28, 2016
Security Bulletin ID
SB2016072801
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) Snort rule bypass vulnerability (CVE-ID: CVE-2016-1463)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass security controls on the target system.
The vulnerability exists due to improper handling of HTTP header parameters. A remote attacker can bypass configured rules that use Snort detection by sending a crafted HTTP packet to the affected device.
Successful exploitation of this vulnerability may result in unauthorized access to network resources.
Remediation
Install update from vendor's website.