CVE-2019-14459 : Exploit Details and Defense Strategies
CVE-2019-14459 can lead to a remote denial of service in nfdump versions 1.6.17 and earlier. Learn about the impact, affected systems, exploitation, and mitigation steps.
An integer overflow vulnerability in nfdump versions 1.6.17 and earlier can lead to a remote denial of service by crashing the process.
Understanding CVE-2019-14459
What is CVE-2019-14459?
The vulnerability exists in the function Process_ipfix_template_withdraw in ipfix.c in nfdump versions 1.6.17 and earlier, allowing for a remote denial of service attack.
The Impact of CVE-2019-14459
Exploiting this vulnerability can result in a remote denial of service, causing the affected process to crash.
Technical Details of CVE-2019-14459
Vulnerability Description
The vulnerability is an integer overflow in the mentioned function, which can be exploited to crash the process remotely.
Affected Systems and Versions
- nfdump versions 1.6.17 and earlier
Exploitation Mechanism
The vulnerability can be exploited remotely to trigger a denial of service by causing the process to crash.
Mitigation and Prevention
Immediate Steps to Take
- Apply the security update provided by the vendor
- Monitor vendor advisories for any further security updates
Long-Term Security Practices
- Regularly update software and systems to patch known vulnerabilities
- Implement network security measures to prevent remote attacks
- Conduct regular security assessments and audits
Patching and Updates
- Update nfdump to a version that includes a fix for the integer overflow vulnerability