CVE-2017-12277 : Vulnerability Insights and Analysis
Learn about CVE-2017-12277 affecting Cisco Firepower 4100 Series NGFW and Firepower 9300 Security Appliance. Find out the impact, affected systems, exploitation, and mitigation steps.
A weakness has been identified in the Smart Licensing Manager service of the Cisco Firepower 4100 Series Next-Generation Firewall and Firepower 9300 Security Appliance, allowing a remote attacker to inject arbitrary commands with root privileges.
Understanding CVE-2017-12277
This CVE involves a vulnerability in the Smart Licensing Manager service of Cisco Firepower 4100 Series NGFW and Firepower 9300 Security Appliance.
What is CVE-2017-12277?
The vulnerability allows an authenticated remote attacker to inject arbitrary commands with the potential to be executed with root privileges due to inadequate validation of specific Smart Licensing configuration parameters.
The Impact of CVE-2017-12277
- An authenticated attacker can set up a malicious URL within the targeted feature to exploit the vulnerability.
- Successful exploitation grants the attacker the ability to execute arbitrary commands with root privileges.
Technical Details of CVE-2017-12277
This section provides technical details of the CVE.
Vulnerability Description
The vulnerability arises from insufficient input validation of certain Smart Licensing configuration parameters.
Affected Systems and Versions
- Cisco Firepower 4100 Series NGFW and Firepower 9300 Security Appliance operating on FX-OS code trains 1.1.3, 1.1.4, and 2.0.1 are affected.
- Versions 2.1.1, 2.2.1, and 2.2.2 are not impacted.
Exploitation Mechanism
- An authenticated attacker configures a malicious URL within the affected feature to exploit the vulnerability.
Mitigation and Prevention
Steps to address and prevent the CVE.
Immediate Steps to Take
- Apply the necessary security patches provided by Cisco.
- Monitor network traffic for any signs of exploitation.
- Restrict access to vulnerable services.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Implement strong access controls and authentication mechanisms.
Patching and Updates
- Ensure all affected systems are updated with the latest patches from Cisco.