CVE-2017-12463 : Security Advisory and Response
Learn about CVE-2017-12463, a memory leak vulnerability in CCN-lite version 2.00 or earlier, allowing attackers to trigger denial of service attacks by manipulating a pointer to an envelope_s structure.
CCN-lite version 2.00 or earlier contains a memory leak vulnerability in the ccnl_app_RX function, allowing attackers to trigger a denial of service attack by manipulating a pointer to an envelope_s structure.
Understanding CVE-2017-12463
This CVE involves a memory leak vulnerability in CCN-lite version 2.00 or earlier, potentially leading to a denial of service attack.
What is CVE-2017-12463?
CCN-lite version 2.00 or earlier is susceptible to a memory leak vulnerability in the ccnl_app_RX function, which attackers can exploit to cause excessive memory consumption and execute denial of service attacks.
The Impact of CVE-2017-12463
The vulnerability can be exploited by attackers to trigger denial of service attacks, leading to excessive memory consumption and potential system crashes.
Technical Details of CVE-2017-12463
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability exists in the ccnl_app_RX function within the ccnl-uapi.c file in CCN-lite version 2.00 or earlier. It is categorized as a memory leak issue.
Affected Systems and Versions
- Affected Version: CCN-lite version 2.00 or earlier
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating a pointer to an envelope_s structure when encountering an unfamiliar packet format, leading to a denial of service attack due to excessive memory consumption.
Mitigation and Prevention
Protective measures to address and prevent exploitation of the vulnerability.
Immediate Steps to Take
- Update CCN-lite to a patched version that addresses the memory leak vulnerability.
- Monitor system resources for any signs of excessive memory consumption.
Long-Term Security Practices
- Regularly update software and firmware to mitigate known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Apply patches and updates provided by the software vendor to fix the memory leak vulnerability in CCN-lite.