CVE-2019-12106 Explained : Impact and Mitigation

A Use After Free vulnerability in MiniUPnP MiniSSDPd versions 1.4 and 1.5 allows remote attackers to crash the process. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2019-12106

A Use After Free vulnerability in MiniUPnP MiniSSDPd versions 1.4 and 1.5 enables remote attackers to crash the process.

What is CVE-2019-12106?

The vulnerability exists in the updateDevice function of minissdpd.c in MiniUPnP MiniSSDPd versions 1.4 and 1.5, allowing remote attackers to crash the process.

The Impact of CVE-2019-12106

This vulnerability enables a remote attacker to crash the process, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2019-12106

The technical aspects of the vulnerability are crucial for understanding its implications.

Vulnerability Description

The Use After Free vulnerability in MiniUPnP MiniSSDPd versions 1.4 and 1.5 allows remote attackers to crash the process by exploiting the updateDevice function in minissdpd.c.

Affected Systems and Versions

MiniUPnP MiniSSDPd versions 1.4 and 1.5

Exploitation Mechanism

The vulnerability can be exploited remotely by attackers to crash the process, potentially leading to a DoS condition.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are essential to mitigate the risks associated with CVE-2019-12106.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor network traffic for any suspicious activity.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate users and employees about safe computing practices to prevent exploitation.

Patching and Updates

Stay informed about security updates and patches released by MiniUPnP to address CVE-2019-12106.