CVE-2020-11834 : Exploit Details and Defense Strategies

This CVE-2020-11834 article provides insights into a vulnerability affecting OPPO Find X2 devices running ColorOS V11.

Understanding CVE-2020-11834

This section delves into the details of the identified vulnerability.

What is CVE-2020-11834?

The vulnerability exists in the function proc_fastchg_fw_update_write in /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c. It stems from a lack of parameter length validation, leading to a security issue.

The Impact of CVE-2020-11834

The vulnerability allows for a potential Denial of Service (DOS) Overflow attack, posing a risk to the affected devices.

Technical Details of CVE-2020-11834

Explore the technical aspects of the CVE-2020-11834 vulnerability.

Vulnerability Description

The vulnerability arises from the absence of parameter length verification in the mentioned function, enabling malicious actors to exploit the system.

Affected Systems and Versions

Affected Product: OPPO Find X2
Affected Version: ColorOS V11

Exploitation Mechanism

By manipulating the parameter len in proc_fastchg_fw_update_write, threat actors can trigger a DOS Overflow attack, potentially disrupting device functionality.

Mitigation and Prevention

Learn how to address and prevent the CVE-2020-11834 vulnerability.

Immediate Steps to Take

Users should apply security patches promptly to mitigate the risk of exploitation.
Implement network-level security measures to detect and block malicious activities.

Long-Term Security Practices

Regularly update device firmware to ensure protection against known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential weaknesses.

Patching and Updates

OPPO users should monitor official security advisories and apply recommended patches to safeguard their devices.