CVE-2019-1010279 : Exploit Details and Defense Strategies
Learn about CVE-2019-1010279 affecting Suricata versions prior to 4.1.3. Understand the impact, exploitation mechanism, and mitigation steps to prevent a denial of service attack.
Suricata, an open-source intrusion detection and prevention system, has been found to have a vulnerability in versions prior to 4.1.3 that could lead to a denial of service attack.
Understanding CVE-2019-1010279
This CVE identifies a specific vulnerability in Suricata that allows attackers to bypass TCP/HTTP detection, potentially resulting in a denial of service.
What is CVE-2019-1010279?
The vulnerability in Suricata versions prior to 4.1.3 enables attackers to evade signature detection by using a carefully crafted sequence of network packets. The affected component is detect.c.
The Impact of CVE-2019-1010279
The vulnerability permits attackers to bypass TCP/HTTP detection, leading to a denial of service condition. Attackers can exploit this flaw by initiating a precisely crafted network TCP session.
Technical Details of CVE-2019-1010279
Suricata's vulnerability in versions prior to 4.1.3 has the following technical details:
Vulnerability Description
The vulnerability allows attackers to bypass TCP/HTTP detection, potentially resulting in a denial of service attack.
Affected Systems and Versions
- Product: Suricata
- Vendor: Open Information Security Foundation
- Versions Affected: Prior to version 4.1.3
- Fixed Version: 4.1.3
Exploitation Mechanism
- Attackers can exploit the vulnerability by initiating a carefully crafted network TCP session.
Mitigation and Prevention
To address CVE-2019-1010279, consider the following steps:
Immediate Steps to Take
- Update Suricata to version 4.1.3 or later to mitigate the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate an exploit attempt.
Long-Term Security Practices
- Regularly update and patch Suricata to ensure the latest security fixes are in place.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Apply patches and updates provided by the Open Information Security Foundation to address the vulnerability.