CVE-2018-16664 : Exploit Details and Defense Strategies

Contiki-NG versions up to and including 4.1 have a identified problem related to a buffer overflow in the lvm_set_type function within the lvm.c file. This overflow occurs during the parsing of AQL, specifically when processing certain components.

Understanding CVE-2018-16664

This CVE identifies a buffer overflow vulnerability in Contiki-NG versions up to 4.1.

What is CVE-2018-16664?

CVE-2018-16664 is a vulnerability in Contiki-NG versions up to 4.1, specifically in the lvm_set_type function within the lvm.c file.

The Impact of CVE-2018-16664

The buffer overflow vulnerability can potentially lead to exploitation by attackers, compromising the security and integrity of systems running affected versions of Contiki-NG.

Technical Details of CVE-2018-16664

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue stems from a buffer overflow in the lvm_set_type function in the lvm.c file of Contiki-NG versions up to 4.1, occurring during the parsing of AQL.

Affected Systems and Versions

Affected Systems: Contiki-NG versions up to and including 4.1
Affected Component: lvm_set_type function within the lvm.c file

Exploitation Mechanism

The buffer overflow occurs during the parsing of AQL, specifically when processing the lvm_set_op, lvm_set_relation, and lvm_set_operand components.

Mitigation and Prevention

Protecting systems from CVE-2018-16664 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Contiki-NG to a patched version that addresses the buffer overflow vulnerability.
Monitor for any unusual activities on the system that could indicate exploitation.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflows and other common vulnerabilities.
Regularly update and patch software to mitigate known security risks.
Conduct security assessments and audits to identify and address vulnerabilities proactively.

Patching and Updates

Ensure that all systems running Contiki-NG are updated to versions that have patched the buffer overflow vulnerability.