Learn about CVE-2023-40087, a critical elevation of privilege vulnerability in Google Android that allows attackers to escalate privileges without additional execution privileges.
Understanding CVE-2023-40087
A detailed overview of the CVE-2023-40087 vulnerability affecting Google's Android platform.
What is CVE-2023-40087?
The CVE-2023-40087 vulnerability exists in transcodeQ*ToFloat of btif_avrcp_audio_track.cc on Android. It involves a potential out-of-bounds write due to a missing bounds check. An attacker could exploit this issue for an elevation of privilege on a paired device without requiring additional execution privileges.
The Impact of CVE-2023-40087
The impact of CVE-2023-40087 is significant as it allows threat actors to escalate privileges on affected devices without user interaction, posing a serious security risk to users.
Technical Details of CVE-2023-40087
Insights into the technical aspects of the CVE-2023-40087 vulnerability on Google's Android platform.
Vulnerability Description
The vulnerability in transcodeQ*ToFloat of btif_avrcp_audio_track.cc could result in an out-of-bounds write, potentially leading to an escalation of privilege without the need for additional execution privileges.
Affected Systems and Versions
Google Android versions 14, 13, 12L, 12, and 11 are impacted by this vulnerability, while other versions remain unaffected.
Exploitation Mechanism
Exploiting CVE-2023-40087 requires no user interaction, as threat actors can leverage the out-of-bounds write to escalate privileges on a paired device.
Mitigation and Prevention
Effective strategies to mitigate and prevent the CVE-2023-40087 vulnerability on Android devices.
Immediate Steps to Take
Users should apply security patches provided by Google promptly to prevent exploitation of this vulnerability. Additionally, users are advised to exercise caution while interacting with unknown devices.
Long-Term Security Practices
To enhance long-term security, users should regularly update their Android devices and follow best security practices to reduce the risk of privilege escalation attacks.
Patching and Updates
Google is expected to release patches addressing CVE-2023-40087 in upcoming security updates for affected Android versions.