CVE-2017-13010 : What You Need to Know

CVE-2017-13010 was published on September 14, 2017, and affects tcpdump versions prior to 4.9.2. The vulnerability involves a buffer over-read within the BEEP parser.

Understanding CVE-2017-13010

What is CVE-2017-13010?

The print-beep.c:l_strnstart() function in tcpdump versions before 4.9.2 experiences a buffer over-read issue within the BEEP parser.

The Impact of CVE-2017-13010

This vulnerability could potentially be exploited by attackers to execute arbitrary code or cause a denial of service (DoS) on affected systems.

Technical Details of CVE-2017-13010

Vulnerability Description

The BEEP parser in tcpdump before version 4.9.2 suffers from a buffer over-read in the print-beep.c:l_strnstart() function.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability allows attackers to trigger a buffer over-read within the BEEP parser, potentially leading to code execution or DoS attacks.

Mitigation and Prevention

Immediate Steps to Take

Update tcpdump to version 4.9.2 or later to mitigate the vulnerability.
Monitor vendor advisories for patches and security updates.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Ensure that all systems running tcpdump are regularly updated with the latest security patches to address known vulnerabilities.