In build_read_multi_rsp of gatt_sr.cc, there is a possible out of bounds write due to a heap buffer overflow. This vulnerability allows remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation. The CVSS score of 8.8 indicates a high severity, and organizations should prioritize patching immediately.
Risk to organizations includes unauthorized access and control over affected devices. Given the nature of the vulnerability and its exploitation potential, it poses serious security implications.
Currently, no public exploit has been confirmed, and the vulnerability is not listed in known exploitation databases. However, organizations should remain vigilant.
Organizations should address this vulnerability in their priority patch cycle to mitigate risks effectively.
Vulnerability Details
The vulnerability is classified under CWE-787, indicating a heap buffer overflow. It affects Google Android versions 12.0, 12.1, and 13.0, which are vulnerable to this issue. The vulnerability was published on October 27, 2023.
The CVSS score is 8.8, reflecting a high severity and a potential for significant impact on confidentiality, integrity, and availability.
Technical Analysis
The root cause of this vulnerability is a flaw in the implementation of the Bluetooth stack within Android's GATT (Generic Attribute Profile). Attackers may leverage this vulnerability through an adjacent network, allowing for potential arbitrary code execution without requiring elevated privileges.
The attack complexity is assessed as low, and no user interaction is required. The impact on confidentiality, integrity, and availability is classified as high, indicating that successful exploitation could lead to critical system compromises.
Risk & Impact Analysis
Real-world deployment risks include unauthorized access to devices within proximity, which could have significant repercussions for user privacy and data integrity. The high severity of this vulnerability necessitates immediate attention from security teams.
Given that this vulnerability affects multiple versions of Android, the potential blast radius is considerable, impacting numerous users and devices. Organizations should assess their exposure and prioritize remediation efforts accordingly.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
Affected versions include Google Android 12.0, 12.1, and 13.0. Organizations should ensure they apply the relevant patches to mitigate this vulnerability.
Mitigation & Remediation
To remediate this vulnerability, organizations should update affected systems to the latest version of Android. If a patch is not available, consider implementing configuration hardening to mitigate potential risks.
Monitoring recommendations include keeping an eye on logs for unusual Bluetooth traffic and ensuring that network controls limit exposure to adjacent networks.
For a comprehensive security assessment, organizations may consider engaging in penetration testing to identify similar weaknesses in their systems.
Detection Guidance
Organizations should monitor logs for indicators of exploitation attempts, such as unusual Bluetooth connections or commands sent to adjacent devices.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to affect a wide range of devices and applications relying on Bluetooth technology. Security teams should recognize that such vulnerabilities can serve as entry points for more extensive attacks.
Organizations should stay informed about trends in Bluetooth vulnerabilities, as they may represent common patterns in security weaknesses.
To further enhance security measures, teams may consider reviewing their vulnerability management program and ensuring that it is equipped to handle similar risks.
Security teams should also familiarize themselves with effective penetration testing methodologies that can help identify and mitigate such vulnerabilities in future assessments.
In conclusion, organizations should prioritize understanding and addressing this vulnerability as part of a proactive security strategy.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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