CVE-2017-11105 : What You Need to Know

This CVE-2017-11105 article provides insights into a vulnerability found in the OnePlus 2 Primary Bootloader (PBL) that lacks validation for its certificate, potentially enabling attackers to disable signature validation.

Understanding CVE-2017-11105

This section delves into the details of the identified vulnerability.

What is CVE-2017-11105?

The SBL1 partition in the OnePlus 2 Primary Bootloader (PBL) does not validate its certificate upon execution, allowing individuals with write access to potentially disable signature validation, creating a vulnerability for attackers.

The Impact of CVE-2017-11105

The lack of validation in the SBL1 partition poses a security risk as attackers can exploit this weakness to bypass signature validation, compromising the integrity of the system.

Technical Details of CVE-2017-11105

Exploring the technical aspects of the vulnerability.

Vulnerability Description

The OnePlus 2 Primary Bootloader (PBL) fails to validate the SBL1 partition before execution, even though it contains a certificate. This oversight enables attackers with write access to disable signature validation.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers with write access to the SBL1 partition can exploit the lack of certificate validation to disable signature validation, potentially compromising the system's security.

Mitigation and Prevention

Understanding how to address and prevent the vulnerability.

Immediate Steps to Take

Monitor access to critical partitions to prevent unauthorized modifications.
Implement access controls to restrict write permissions to sensitive areas.
Regularly audit and review bootloader configurations for any unauthorized changes.

Long-Term Security Practices

Enforce secure coding practices to ensure proper validation mechanisms are in place.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security updates and patches provided by the vendor to address the vulnerability promptly.