CVE-2020-11828 : Security Advisory and Response

ColorOS by Oppo is affected by a vulnerability that allows attackers to leak information from the stack, potentially bypassing ALSR.

Understanding CVE-2020-11828

ColorOS, Oppo's mobile phone operating system, contains a critical vulnerability that could lead to information leakage.

What is CVE-2020-11828?

The vulnerability in ColorOS allows uninitialized RGB values on the stack to be leaked to attackers, enabling them to bypass ALSR.

The Impact of CVE-2020-11828

This vulnerability could be exploited by malicious actors to gain sensitive information from the stack, compromising the security of affected devices.

Technical Details of CVE-2020-11828

ColorOS vulnerability details and affected systems.

Vulnerability Description

The RGB values on the stack in ColorOS are uninitialized, allowing attackers to obtain sensitive information during the screenShot function, potentially bypassing ALSR.

Affected Systems and Versions

Product: Color OS
Vendor: Oppo
Versions Affected: 6, 7

Exploitation Mechanism

Attackers exploit the uninitialized RGB values on the stack in ColorOS to leak information, which can be used to bypass ALSR.

Mitigation and Prevention

Protecting against CVE-2020-11828.

Immediate Steps to Take

Apply security patches provided by Oppo promptly.
Monitor official Oppo communications for updates on this vulnerability.

Long-Term Security Practices

Regularly update the ColorOS operating system to the latest version.
Implement security best practices to mitigate potential vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates from Oppo to address the CVE-2020-11828 vulnerability.