SB2017100504 - Denial of service in Cisco Firepower Threat Defense
Published: October 5, 2017
Security Bulletin ID
SB2017100504
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 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2017-12245)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in SSL traffic decryption for Cisco Firepower Threat Defense (FTD) Software due to an error in how the Firepower Detection Snort Engine handles SSL traffic decryption and notifications to and from the Adaptive Security Appliance (ASA) handler. A remote attacker can send a steady stream of malicious Secure Sockets Layer (SSL) traffic through the device, trigger depletion of system memory and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.