CVE-2019-1709 : Exploit Details and Defense Strategies

Cisco Firepower Threat Defense Software Command Injection Vulnerability

Understanding CVE-2019-1709

This CVE involves an authenticated, local attacker exploiting a command injection vulnerability in Cisco Firepower Threat Defense (FTD) Software.

What is CVE-2019-1709?

The vulnerability allows attackers to execute commands with root privileges by injecting commands into specific CLI arguments due to inadequate input validation.

The Impact of CVE-2019-1709

If successfully exploited, an attacker could execute commands with high integrity and availability impact but no confidentiality impact.

Technical Details of CVE-2019-1709

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability lies in the CLI of Cisco Firepower Threat Defense (FTD) Software, enabling command injection by exploiting insufficient input validation.

Affected Systems and Versions

Product: Cisco Firepower Threat Defense Software
Vendor: Cisco
Versions Affected: Less than 6.2.3.12 (unspecified version type)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: High
User Interaction: None
Scope: Unchanged
Exploitation involves injecting commands into CLI arguments for a specific command.

Mitigation and Prevention

Steps to address and prevent this vulnerability:

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor Cisco's security advisories for any new information.

Long-Term Security Practices

Implement the principle of least privilege to restrict access.
Regularly review and update security configurations.

Patching and Updates

Ensure all systems are updated with the latest patches from Cisco.