CVE-2019-1699 : Exploit Details and Defense Strategies

Cisco Firepower Threat Defense Software Command Injection Vulnerability

Understanding CVE-2019-1699

This CVE involves a vulnerability in the CLI of Cisco Firepower Threat Defense (FTD) Software that could be exploited by an authorized attacker physically present to perform a command injection attack.

What is CVE-2019-1699?

The vulnerability allows an attacker to inject commands into the arguments of a specific command due to inadequate input validation. Successful exploitation could lead to the execution of commands with root privileges.

The Impact of CVE-2019-1699

CVSS Base Score: 6.7 (Medium Severity)
Attack Vector: Local
Attack Complexity: Low
Privileges Required: High
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2019-1699

The technical details of this CVE are as follows:

Vulnerability Description

The vulnerability in Cisco FTD Software allows an attacker to execute commands with root privileges by injecting commands into a specific command's arguments.

Affected Systems and Versions

Affected Product: Cisco Firepower Threat Defense (FTD) Software
Vendor: Cisco
Versions Affected:
Less than 6.2.3.12 (Custom Version)
Less than 6.3.0.3 (Custom Version)

Exploitation Mechanism

The vulnerability can be exploited by an authorized attacker physically present to inject malicious commands into the arguments of a specific command.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2019-1699:

Immediate Steps to Take

Implement the provided patches and updates from Cisco.
Monitor network traffic for any signs of exploitation.
Restrict physical access to devices running the affected software.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security training for personnel to recognize and report suspicious activities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Apply the latest patches and updates released by Cisco to address the vulnerability in the FTD Software.