CVE-2017-13050 : What You Need to Know

The parser for RPKI-Router in tcpdump version prior to 4.9.2 experiences a buffer over-read issue in the function rpki_rtr_pdu_print() defined in print-rpki-rtr.c.

Understanding CVE-2017-13050

The RPKI-Router parser in tcpdump before 4.9.2 has a buffer over-read vulnerability.

What is CVE-2017-13050?

The vulnerability in tcpdump allows attackers to exploit a buffer over-read issue in the rpki_rtr_pdu_print() function.

The Impact of CVE-2017-13050

This vulnerability could potentially lead to information disclosure or denial of service if exploited by malicious actors.

Technical Details of CVE-2017-13050

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The RPKI-Router parser in tcpdump before version 4.9.2 is susceptible to a buffer over-read in the rpki_rtr_pdu_print() function.

Affected Systems and Versions

Affected Version: tcpdump versions prior to 4.9.2

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious network packets to trigger the buffer over-read in the rpki_rtr_pdu_print() function.

Mitigation and Prevention

To address CVE-2017-13050, follow these mitigation strategies:

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.

Patching and Updates

Apply security patches provided by tcpdump to fix the buffer over-read issue.