CVE-2024-27205 in Android
Summary
by MITRE • 03/11/2024
In tbd of tbd, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
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Analysis
by VulDB Data Team • 08/26/2024
The vulnerability identified as CVE-2024-27205 represents a critical memory corruption issue within the tbd component of a system, specifically manifesting as a use after free condition. This flaw exists in the memory management mechanisms where freed memory blocks are still being accessed or referenced by the application, creating a dangerous scenario that can be exploited by malicious actors. The use after free vulnerability falls under the CWE-416 category, which specifically addresses the use of freed memory, and is classified as a memory safety error that can lead to unpredictable behavior and potential code execution.
The technical implementation of this vulnerability allows for local privilege escalation without requiring any additional execution privileges or user interaction, making it particularly dangerous from a security perspective. The absence of user interaction requirements means that exploitation can occur automatically, potentially allowing attackers to gain elevated system privileges simply by leveraging the memory corruption flaw. This characteristic aligns with the ATT&CK framework's privilege escalation techniques, specifically targeting the T1068 - Exploitation for Privilege Escalation tactic where adversaries leverage software vulnerabilities to increase their access level within a system.
The operational impact of CVE-2024-27205 extends beyond simple memory corruption, as it provides a pathway for attackers to execute arbitrary code with higher privileges. When a use after free condition occurs in a system component, it can allow attackers to manipulate memory layout and potentially redirect execution flow, leading to complete system compromise. The vulnerability's nature suggests that the tbd component likely handles memory allocation and deallocation in a manner that does not properly invalidate pointers or track memory usage, creating opportunities for attackers to reuse freed memory blocks for malicious purposes.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected tbd component, as well as implementing memory safety mechanisms such as address space layout randomization and stack canaries. System administrators should also consider implementing runtime monitoring to detect anomalous memory access patterns that could indicate exploitation attempts. The vulnerability highlights the importance of proper memory management practices and the need for comprehensive code review processes that identify potential use after free conditions. Additionally, organizations should consider implementing principle of least privilege measures to limit the potential impact of successful exploitation, while also establishing incident response procedures specifically designed to handle memory corruption vulnerabilities. The lack of user interaction requirements makes this vulnerability particularly concerning for environments where local access is common, as it could be exploited by any user with access to the affected system, potentially leading to complete system compromise without additional attack vectors.