CVE-2017-3822 : Vulnerability Insights and Analysis
Learn about CVE-2017-3822 affecting Cisco Firepower Threat Defense Software versions 6.1.x. Find out how remote attackers can manipulate the audit log and steps to prevent exploitation.
A vulnerability in the logging subsystem of Cisco Firepower Threat Defense (FTD) Firepower Device Manager (FDM) allows remote attackers to manipulate the audit log, affecting specific versions of the software.
Understanding CVE-2017-3822
This CVE identifies a security flaw in Cisco Firepower Threat Defense Software versions 6.1.x that enables unauthorized users to insert arbitrary records into the audit log.
What is CVE-2017-3822?
The vulnerability in the logging system of Cisco Firepower Threat Defense (FTD) FDM permits remote attackers to tamper with the audit log without authentication, impacting specific versions of the software.
The Impact of CVE-2017-3822
- Attackers can insert arbitrary records into the audit log without authentication
- Affected products include ASA5506-X, ASA5506W-X, ASA5506H-X, ASA5508-X, ASA5516-X, ASA5512-X, ASA5515-X, ASA5525-X, ASA5545-X, and ASA5555-X
Technical Details of CVE-2017-3822
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in the logging system of Cisco Firepower Threat Defense (FTD) FDM allows remote attackers to add unauthorized entries to the audit log.
Affected Systems and Versions
- Cisco Firepower Threat Defense Software versions 6.1.x
- Products with FDM enabled: ASA5506-X, ASA5506W-X, ASA5506H-X, ASA5508-X, ASA5516-X, ASA5512-X, ASA5515-X, ASA5525-X, ASA5545-X, ASA5555-X
Exploitation Mechanism
Attackers can exploit this vulnerability remotely without authentication, enabling them to manipulate the audit log.
Mitigation and Prevention
Protecting systems from CVE-2017-3822 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply the fixed release 6.2.0 to mitigate the vulnerability
- Disable FDM if not essential for operations
Long-Term Security Practices
- Regularly monitor audit logs for suspicious activities
- Implement network segmentation to limit the impact of potential breaches
Patching and Updates
- Update affected systems to version 6.2.0 to address the vulnerability