CVE-2024-43765 in Android
Summary
by MITRE • 01/22/2025
In multiple locations, there is a possible way to obtain access to a folder due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.
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Analysis
by VulDB Data Team • 03/18/2025
This vulnerability represents a significant security flaw that exploits the trust relationship between applications and users through overlay attack techniques. The vulnerability exists across multiple system locations and allows attackers to manipulate user interactions by presenting fraudulent interfaces that appear legitimate to end users. The core technical issue stems from insufficient validation of user interface elements and lack of proper overlay detection mechanisms that should prevent malicious applications from intercepting user input through visual deception. This type of attack falls under the category of user interface redressing or tapjacking as defined in the CWE-407 weakness classification, where attackers exploit the natural user behavior of interacting with seemingly legitimate interface elements.
The operational impact of this vulnerability is particularly concerning as it enables local privilege escalation from standard user privileges to elevated system access. An attacker must first gain user execution privileges and then leverage the overlay attack to trick the user into performing actions on malicious interface elements that appear to be part of legitimate applications. This attack vector requires user interaction but can be executed through social engineering or by exploiting legitimate application permissions that allow overlay display capabilities. The vulnerability demonstrates how modern mobile and desktop operating systems can be compromised through interface manipulation rather than traditional code execution attacks, making it particularly dangerous in environments where users frequently interact with multiple applications simultaneously.
The exploitation process typically involves an attacker creating a malicious overlay that appears to be part of a legitimate application or system interface. When users interact with these deceptive elements, the attacker can capture credentials, perform unauthorized actions, or gain elevated privileges through the legitimate application's trust relationship with the user. This attack pattern aligns with several techniques documented in the MITRE ATT&CK framework under the T1056 category, specifically targeting credential access and privilege escalation through user interface manipulation. The vulnerability represents a critical weakness in the operating system's user interface security model, where the trust model between applications and users can be exploited through visual deception.
Mitigation strategies should focus on implementing robust overlay detection mechanisms, enforcing strict application permission controls, and educating users about the risks of interacting with unfamiliar interface elements. System administrators should ensure that applications are regularly updated to address known overlay vulnerabilities and that proper security configurations are implemented to prevent unauthorized overlay display capabilities. The vulnerability highlights the need for comprehensive security testing that includes user interface security considerations, particularly in environments where multiple applications interact with users through graphical interfaces. Organizations should also implement monitoring solutions that can detect suspicious overlay behavior and establish incident response procedures for addressing potential overlay-based attacks.