CVE-2017-13028 : Security Advisory and Response
Learn about CVE-2017-13028, a buffer over-read issue in TCPDump before 4.9.2, potentially leading to information disclosure or denial of service. Find mitigation steps and prevention measures here.
TCPDump before version 4.9.2 is vulnerable to a buffer over-read issue in the BOOTP parser.
Understanding CVE-2017-13028
What is CVE-2017-13028?
The print-bootp.c:bootp_print() function in TCPDump versions prior to 4.9.2 has a buffer over-read issue in the BOOTP parser.
The Impact of CVE-2017-13028
This vulnerability could allow an attacker to exploit the buffer over-read issue, potentially leading to information disclosure or denial of service.
Technical Details of CVE-2017-13028
Vulnerability Description
The BOOTP parser in TCPDump before 4.9.2 has a buffer over-read in print-bootp.c:bootp_print().
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by crafting malicious BOOTP packets to trigger the buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Update TCPDump to version 4.9.2 or later to mitigate the vulnerability.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update software and firmware to patch known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security assessments and penetration testing to identify and address security weaknesses.
Patching and Updates
Ensure that all systems running TCPDump are regularly updated with the latest security patches and versions.