CVE-2019-15702 : Vulnerability Insights and Analysis

RIOT up to version 2019.07 is affected by a TCP implementation flaw that allows a denial-of-service attack due to an issue in the parser for TCP options.

Understanding CVE-2019-15702

The vulnerability in the TCP implementation of RIOT can lead to a denial-of-service attack by triggering an infinite loop in the code.

What is CVE-2019-15702?

The flaw in the TCP parser for options in RIOT up to version 2019.07 allows for a denial-of-service attack due to an infinite loop when encountering certain inputs.

The Impact of CVE-2019-15702

The vulnerability enables attackers to launch denial-of-service attacks by exploiting the flawed TCP options parser in RIOT.

Technical Details of CVE-2019-15702

The technical aspects of the CVE-2019-15702 vulnerability are as follows:

Vulnerability Description

The flaw in the TCP implementation of RIOT allows for a denial-of-service attack due to an infinite loop triggered by certain inputs in the TCP options parser.

Affected Systems and Versions

Product: RIOT
Vendor: N/A
Versions affected: Up to version 2019.07

Exploitation Mechanism

The flaw in the TCP parser for options in RIOT can be exploited by sending certain inputs that trigger an infinite loop in the code.

Mitigation and Prevention

To address CVE-2019-15702, consider the following mitigation strategies:

Immediate Steps to Take

Update RIOT to a version beyond 2019.07 that contains a fix for the TCP options parser.
Monitor network traffic for any suspicious activity that could indicate a denial-of-service attack.

Long-Term Security Practices

Regularly update and patch RIOT to ensure that known vulnerabilities are addressed promptly.
Implement network security measures to detect and prevent denial-of-service attacks.

Patching and Updates

Apply patches provided by RIOT to fix the TCP options parser vulnerability and prevent denial-of-service attacks.