CVE-2020-0496 Explained : Impact and Mitigation

This CVE involves a memory corruption vulnerability in Android 11 that could result in local information disclosure.

Understanding CVE-2020-0496

This CVE, identified as A-149481220, pertains to a potential memory corruption leading to local information disclosure on Android 11.

What is CVE-2020-0496?

The vulnerability occurs in CPDF_RenderStatus::LoadSMask of cpdf_renderstatus.cpp, potentially causing memory corruption through a use-after-free scenario. Exploitation does not require user interaction.

The Impact of CVE-2020-0496

The vulnerability allows attackers to gain access to local information without needing additional execution privileges.

Technical Details of CVE-2020-0496

Vulnerability Description

The issue arises from a use-after-free flaw in CPDF_RenderStatus::LoadSMask of cpdf_renderstatus.cpp, enabling potential memory corruption.

Affected Systems and Versions

Product: Android
Versions: Android-11

Exploitation Mechanism

Attackers can exploit this vulnerability locally to obtain sensitive information without requiring user interaction.

Mitigation and Prevention

Immediate Steps to Take

Implement security patches provided by the vendor promptly.
Monitor official security bulletins for updates regarding this vulnerability.

Long-Term Security Practices

Regularly update and maintain system security to prevent exploitation of known vulnerabilities.
Conduct security assessments to identify and address potential weaknesses proactively.

Patching and Updates

Stay informed about security patches from official sources and apply them as soon as they are available.