CVE-2021-39667 : Vulnerability Insights and Analysis

This CVE-2021-39667 article provides insights into a vulnerability affecting Android versions 10, 11, and 12, potentially leading to remote information disclosure.

Understanding CVE-2021-39667

CVE-2021-39667 is a vulnerability in Android versions 10, 11, and 12 that could result in remote information disclosure without the need for additional execution privileges.

What is CVE-2021-39667?

The vulnerability lies in ih264d_parse_decode_slice of ih264d_parse_slice.c, presenting a risk of out-of-bounds write due to a heap buffer overflow.

The Impact of CVE-2021-39667

The vulnerability could lead to remote information disclosure, requiring user interaction for exploitation.

Technical Details of CVE-2021-39667

The technical details delve into the specific aspects of the vulnerability.

Vulnerability Description

Type: Information disclosure
File: ih264d_parse_slice.c
Risk: Out-of-bounds write due to a heap buffer overflow

Affected Systems and Versions

Product: Android
Versions Affected: Android-10, Android-11, Android-12

Exploitation Mechanism

Remote information disclosure without additional execution privileges
Requires user interaction for exploitation

Mitigation and Prevention

Preventive measures to address CVE-2021-39667.

Immediate Steps to Take

Apply security patches from the provider
Exercise caution while interacting with untrusted sources

Long-Term Security Practices

Regularly update the system's software and applications
Implement security best practices to mitigate potential risks

Patching and Updates

Keep the Android device updated with the latest security patches