CVE-2023-35684 : Exploit Details and Defense Strategies
Learn about CVE-2023-35684, a vulnerability in Google Android's Bluetooth module allowing paired device privilege escalation without user interaction. Take immediate steps to patch and secure affected systems.
Android Security Bulletin - September 2023
Understanding CVE-2023-35684
This article provides insights into the CVE-2023-35684 vulnerability identified in Android devices.
What is CVE-2023-35684?
The CVE-2023-35684 vulnerability exists in the avdt_msg_asmbl function of avdt_msg.cc and involves a potential out-of-bounds write due to an integer overflow. An attacker could exploit this to achieve device escalation of privilege without requiring additional execution privileges, all without user interaction.
The Impact of CVE-2023-35684
The impact of this vulnerability could lead to a paired device gaining escalated privileges on the affected Android devices.
Technical Details of CVE-2023-35684
Here are the technical details of CVE-2023-35684:
Vulnerability Description
The vulnerability allows for an out-of-bounds write, potentially leading to privilege escalation for paired devices.
Affected Systems and Versions
Google Android versions 13, 12L, 12, and 11 are affected by this vulnerability.
Exploitation Mechanism
Exploitation of CVE-2023-35684 could result in paired device escalation of privilege with no user interaction needed.
Mitigation and Prevention
Understanding how to mitigate and prevent the impact of CVE-2023-35684 is crucial to maintaining the security of Android devices.
Immediate Steps to Take
Users should apply the necessary patches provided by Google to address this vulnerability as soon as possible.
Long-Term Security Practices
Implementing strong security practices, such as regular system updates and secure configuration, can help prevent exploitation of similar vulnerabilities.
Patching and Updates
Regularly check for security updates from Google and ensure prompt installation to safeguard against CVE-2023-35684.