CVE-2019-14195 : What You Need to Know

A vulnerability was found in Das U-Boot up to version 2019.07. Specifically, there is an unrestricted memcpy function with an unchecked length parameter at nfs_readlink_reply within the "else" section, which occurs after the calculation of the new path length.

Understanding CVE-2019-14195

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with unvalidated length at nfs_readlink_reply in the "else" block after calculating the new path length.

What is CVE-2019-14195?

CVE-2019-14195 is a vulnerability in Das U-Boot up to version 2019.07, involving an unrestricted memcpy function with an unchecked length parameter.

The Impact of CVE-2019-14195

The vulnerability allows for potential remote code execution due to the unbounded memcpy function, posing a significant security risk to affected systems.

Technical Details of CVE-2019-14195

Das U-Boot vulnerability technical specifics.

Vulnerability Description

Unrestricted memcpy function with an unchecked length parameter at nfs_readlink_reply
Vulnerability occurs within the "else" section after calculating the new path length

Affected Systems and Versions

Das U-Boot up to version 2019.07

Exploitation Mechanism

Attackers can exploit the vulnerability to achieve remote code execution by manipulating the unchecked length parameter.

Mitigation and Prevention

Steps to address and prevent CVE-2019-14195.

Immediate Steps to Take

Update Das U-Boot to a patched version that addresses the memcpy vulnerability
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent known vulnerabilities
Implement network segmentation and access controls to limit the impact of potential attacks

Patching and Updates

Stay informed about security updates for Das U-Boot and apply patches promptly to mitigate risks