CVE-2019-1704 : Exploit Details and Defense Strategies
Learn about CVE-2019-1704 involving weaknesses in Cisco Firepower Threat Defense Software's detection engine related to the SMB Protocol, potentially leading to denial of service attacks. Find mitigation steps and updates here.
Cisco Firepower Threat Defense Software SMB Protocol Preprocessor Detection Engine Denial of Service Vulnerabilities
Understanding CVE-2019-1704
This CVE involves weaknesses in the detection engine of Cisco Firepower Threat Defense Software related to the Server Message Block (SMB) Protocol, potentially leading to denial of service attacks.
What is CVE-2019-1704?
The detection engine in Cisco Firepower Threat Defense (FTD) Software has vulnerabilities in identifying SMB Protocol weaknesses, allowing for potential DoS attacks without authentication.
The Impact of CVE-2019-1704
These vulnerabilities could result in a denial of service (DoS) situation, exploitable by attackers without authentication, either nearby or remote. The Cisco PSIRT has not detected any public exploitation or announcements related to these vulnerabilities.
Technical Details of CVE-2019-1704
This section provides more technical insights into the CVE.
Vulnerability Description
The weaknesses in the detection engine of Cisco Firepower Threat Defense Software can be exploited to cause a denial of service (DoS) condition.
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: Network
- Availability Impact: High
- CVSS Base Score: 7.5 (High)
- Privileges Required: None
- Scope: Unchanged
- User Interaction: None
Mitigation and Prevention
Steps to address and prevent the CVE-2019-1704 vulnerability.
Immediate Steps to Take
- Update Cisco Firepower Threat Defense Software to version 6.2.3.12 or higher.
- Monitor Cisco's security advisories for any patches or updates related to this vulnerability.
Long-Term Security Practices
- Regularly update and patch all software and systems to prevent vulnerabilities.
- Implement network security measures to detect and mitigate potential threats.
Patching and Updates
- Apply patches and updates provided by Cisco to address the vulnerabilities in the detection engine of Firepower Threat Defense Software.