CVE-2019-2116 Explained : Impact and Mitigation

Android save_attr_seq function in sdp_discovery.cc has a vulnerability that could lead to remote information disclosure without additional privileges.

Understanding CVE-2019-2116

This CVE involves an out-of-bounds read issue in the save_attr_seq function of sdp_discovery.cc in Android, potentially resulting in remote information disclosure.

What is CVE-2019-2116?

The vulnerability in the save_attr_seq function of sdp_discovery.cc in Android could allow an attacker to read out-of-bounds data, leading to the disclosure of remote information without requiring extra execution privileges.

The Impact of CVE-2019-2116

The vulnerability could result in the disclosure of remote information without needing additional execution privileges.
Exploitation of this issue does not require user interaction.

Technical Details of CVE-2019-2116

The technical details of the CVE-2019-2116 vulnerability are as follows:

Vulnerability Description

Identified as Android ID A-117105007.
Vulnerability in the save_attr_seq function of sdp_discovery.cc in Android.

Affected Systems and Versions

Product: Android
Versions affected: Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1, Android-9

Exploitation Mechanism

The issue arises due to a missing bounds check in the save_attr_seq function of sdp_discovery.cc.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2019-2116 vulnerability:

Immediate Steps to Take

Apply security patches provided by the vendor.
Monitor vendor security bulletins for updates.

Long-Term Security Practices

Regularly update the Android operating system to the latest version.
Implement network security measures to detect and prevent unauthorized access.
Conduct regular security assessments and audits.

Patching and Updates

Stay informed about security updates and patches released by Android.