CVE-2019-12108 : Security Advisory and Response
Learn about CVE-2019-12108, a Denial of Service vulnerability in MiniUPnP MiniUPnPd through version 2.1 due to a NULL pointer dereference. Find out how to mitigate and prevent exploitation.
A vulnerability in MiniUPnP MiniUPnPd through version 2.1 leads to a Denial of Service due to a NULL pointer dereference in upnpsoap.c.
Understanding CVE-2019-12108
What is CVE-2019-12108?
The vulnerability in MiniUPnP MiniUPnPd through version 2.1 causes a Denial of Service due to a NULL pointer dereference in the GetOutboundPinholeTimeout function for int_port.
The Impact of CVE-2019-12108
The vulnerability can be exploited to cause a Denial of Service, potentially disrupting network services and availability.
Technical Details of CVE-2019-12108
Vulnerability Description
The vulnerability arises from a NULL pointer dereference in the GetOutboundPinholeTimeout function for int_port in upnpsoap.c within MiniUPnP MiniUPnPd through version 2.1.
Affected Systems and Versions
- Product: MiniUPnP MiniUPnPd
- Vendor: N/A
- Versions affected: up to version 2.1
Exploitation Mechanism
The vulnerability can be exploited by an attacker to trigger a NULL pointer dereference, leading to a Denial of Service condition.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security patches provided by the vendor.
- Monitor vendor advisories and security mailing lists for updates.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
- Conduct regular security assessments and penetration testing to identify and address security weaknesses.
Patching and Updates
Ensure that all affected systems are updated with the latest patches and security fixes to address the vulnerability.