CVE-2017-12473 : Security Advisory and Response
Discover the impact of CVE-2017-12473, a vulnerability in CCN-lite allowing denial of service attacks by context-dependent attackers. Learn about mitigation strategies and preventive measures.
CVE-2017-12473, related to CCN-lite, involves a vulnerability that allows denial of service attacks by context-dependent attackers. This article provides insights into the nature of the vulnerability, its impact, technical details, and mitigation strategies.
Understanding CVE-2017-12473
This section delves into the specifics of the CVE-2017-12473 vulnerability.
What is CVE-2017-12473?
The function ccnl_ccntlv_bytes2pkt in CCN-lite is susceptible to denial of service attacks initiated by context-dependent attackers. These attacks leverage packets with incorrect L values, leading to application crashes.
The Impact of CVE-2017-12473
The vulnerability in CCN-lite can result in denial of service attacks, potentially causing application crashes and disrupting normal system operation.
Technical Details of CVE-2017-12473
This section outlines the technical aspects of CVE-2017-12473.
Vulnerability Description
The ccnl_ccntlv_bytes2pkt function in CCN-lite enables context-dependent attackers to trigger a denial of service, specifically application crashes, through vectors involving packets with incorrect L values.
Affected Systems and Versions
- Affected Systems: Not applicable
- Affected Versions: Not applicable
Exploitation Mechanism
The exploitation of this vulnerability involves sending packets with incorrect L values, which can lead to the crashing of the application.
Mitigation and Prevention
Explore the steps to mitigate and prevent the CVE-2017-12473 vulnerability.
Immediate Steps to Take
- Implement input validation mechanisms to ensure packets contain correct L values.
- Regularly monitor and analyze network traffic for any anomalous behavior.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Stay informed about security updates and patches released by the software vendor.
Patching and Updates
Apply relevant patches and updates provided by CCN-lite to address the CVE-2017-12473 vulnerability.