CVE-2020-25112 : Vulnerability Insights and Analysis
Learn about CVE-2020-25112 affecting Contiki through version 3.0, leading to Denial-of-Service and potential Remote Code Execution. Find mitigation steps and affected systems here.
Contiki through version 3.0 is affected by an IPv6 stack issue leading to Denial-of-Service and potential Remote Code Execution via a crafted ICMPv6 echo packet.
Understanding CVE-2020-25112
An overview of the IPv6 stack vulnerability in Contiki.
What is CVE-2020-25112?
Contiki through version 3.0 experiences inconsistent checks for IPv6 header extension lengths, allowing for a Denial-of-Service and potential Remote Code Execution through a malicious ICMPv6 echo packet.
The Impact of CVE-2020-25112
The vulnerability can result in Denial-of-Service attacks and potential execution of arbitrary code on affected systems.
Technical Details of CVE-2020-25112
Insight into the technical aspects of the CVE.
Vulnerability Description
- Discovered in the IPv6 stack in Contiki through version 3.0
- Inconsistent checks for IPv6 header extension lengths
- Allows for Denial-of-Service and potential Remote Code Execution via crafted ICMPv6 echo packets
Affected Systems and Versions
- Product: Contiki
- Vendor: N/A
- Versions: All versions up to and including 3.0
Exploitation Mechanism
- Crafted ICMPv6 echo packets exploit inconsistent IPv6 header extension length checks
Mitigation and Prevention
Guidelines to address and prevent the CVE.
Immediate Steps to Take
- Apply vendor patches or updates if available
- Implement network segmentation to limit exposure
- Monitor network traffic for signs of exploitation
Long-Term Security Practices
- Regularly update and patch software and firmware
- Conduct security assessments and penetration testing
- Stay informed about emerging threats and vulnerabilities
Patching and Updates
- Check for patches or updates from Contiki or relevant vendors
- Apply security updates promptly to mitigate the vulnerability