CVE-2020-13985 : What You Need to Know

Contiki through 3.0 is affected by a memory corruption vulnerability in the uIP TCP/IP stack component. This vulnerability occurs when handling RPL extension headers of IPv6 network packets in rpl_remove_header in net/rpl/rpl-ext-header.c.

Understanding CVE-2020-13985

An issue was discovered in Contiki through 3.0, leading to a memory corruption vulnerability in the uIP TCP/IP stack component.

What is CVE-2020-13985?

This CVE identifies a memory corruption vulnerability in Contiki through version 3.0, specifically in the uIP TCP/IP stack component.

The Impact of CVE-2020-13985

The vulnerability allows attackers to potentially exploit the system by corrupting memory when processing RPL extension headers of IPv6 network packets.

Technical Details of CVE-2020-13985

Contiki through version 3.0 is susceptible to a memory corruption flaw in the uIP TCP/IP stack component.

Vulnerability Description

The vulnerability arises in the handling of RPL extension headers of IPv6 network packets in the rpl_remove_header function in net/rpl/rpl-ext-header.c.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions up to and including 3.0

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious IPv6 network packets with specially designed RPL extension headers to trigger memory corruption.

Mitigation and Prevention

To address CVE-2020-13985, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor patches or updates if available.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software components.
Conduct security assessments and penetration testing.
Educate users and administrators on best security practices.

Patching and Updates

Check for patches or updates from Contiki for the affected versions.
Apply security updates promptly to mitigate the risk of exploitation.