CVE-2020-0393 : Security Advisory and Response

Android's CryptoPlugin.cpp suffers from an out of bounds read vulnerability, potentially leading to local information disclosure. No user interaction is required for exploitation.

Understanding CVE-2020-0393

This CVE involves a security issue in Android's CryptoPlugin.cpp that could result in information disclosure without the need for user interaction.

What is CVE-2020-0393?

The vulnerability in decrypt and decrypt_1_2 of CryptoPlugin.cpp allows for an out of bounds read due to a missing bounds check. Attackers can exploit this to disclose local information.

The Impact of CVE-2020-0393

The potential consequences of this vulnerability include local information disclosure.

Technical Details of CVE-2020-0393

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises from a missing bounds check in CryptoPlugin.cpp, specifically in the decrypt and decrypt_1_2 functions.

Affected Systems and Versions

Product: Android
Versions affected: Android-9, Android-10, Android-11

Exploitation Mechanism

The vulnerability can be exploited by an attacker to read out of bounds memory, leading to potential information disclosure.

Mitigation and Prevention

To address CVE-2020-0393, follow these security measures.

Immediate Steps to Take

Apply patches issued by the Android security bulletin.
Monitor for any unusual local information access.

Long-Term Security Practices

Regularly update Android devices to the latest versions.
Implement access controls to restrict unauthorized access to sensitive information.

Patching and Updates

Promptly apply security patches released by Android to mitigate the risk of exploitation.