CVE-2018-18409 : Exploit Details and Defense Strategies
Learn about CVE-2018-18409 affecting TCPFLOW 1.5.0, a stack-based buffer over-read vulnerability leading to denial of service. Find mitigation steps and patching recommendations here.
TCPFLOW 1.5.0 is affected by a vulnerability in the setbit() function at iptree.h, leading to a denial of service due to an over-read of the stack-based buffer caused by incorrect values.
Understanding CVE-2018-18409
What is CVE-2018-18409?
A stack-based buffer over-read vulnerability exists in setbit() at iptree.h of TCPFLOW 1.5.0, triggered by incorrect values, resulting in denial of service during specific function calls.
The Impact of CVE-2018-18409
The vulnerability allows attackers to cause a denial of service by exploiting the stack-based buffer over-read in TCPFLOW 1.5.0.
Technical Details of CVE-2018-18409
Vulnerability Description
The vulnerability in TCPFLOW 1.5.0's setbit() function at iptree.h results in a stack-based buffer over-read due to incorrect values, leading to denial of service during specific function calls.
Affected Systems and Versions
- Product: TCPFLOW 1.5.0
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability is exploited by sending incorrect values to the setbit() function, causing incorrect computation and leading to denial of service during address_histogram or get_histogram calls.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by the vendor to address the vulnerability in TCPFLOW 1.5.0.
- Monitor network traffic for any suspicious activity that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities from being exploited.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security advisories and updates from TCPFLOW to apply patches promptly.