CVE-2022-40761 Explained : Impact and Mitigation
Discover the impact and technical details of CVE-2022-40761 affecting Samsung mTower through 0.3.0. Learn how to mitigate and prevent the Denial of Service (DoS) vulnerability.
Samsung mTower through 0.3.0 is impacted by CVE-2022-40761, allowing a trusted application to exploit a vulnerability and trigger a Denial of Service (DoS) attack. This CVE affects the function tee_obj_free by manipulating the heap layout.
Understanding CVE-2022-40761
This section delves into the details of the vulnerability and its implications.
What is CVE-2022-40761?
The vulnerability in the Samsung mTower through version 0.3.0 enables a trusted application to cause a Denial of Service (DoS) by calling the function TEE_AllocateOperation with a disrupted heap layout, specifically linked to utee_cryp_obj_alloc.
The Impact of CVE-2022-40761
The exploitation of this vulnerability can lead to a Denial of Service (DoS) attack, potentially disrupting the normal operation of the impacted system.
Technical Details of CVE-2022-40761
Explore the technical aspects and affected systems related to CVE-2022-40761.
Vulnerability Description
The flaw resides in the function tee_obj_free within Samsung mTower through 0.3.0, allowing a trusted application to trigger a Denial of Service (DoS) attack.
Affected Systems and Versions
Samsung mTower versions up to 0.3.0 are impacted by CVE-2022-40761 due to the vulnerability present in the tee_obj_free function.
Exploitation Mechanism
The vulnerability can be exploited by invoking the TEE_AllocateOperation function with a disturbed heap layout, particularly associated with utee_cryp_obj_alloc.
Mitigation and Prevention
Discover the essential steps to mitigate the risks posed by CVE-2022-40761.
Immediate Steps to Take
It is crucial to apply immediate measures to address the vulnerability and prevent potential attacks.
Long-Term Security Practices
Implementing robust security practices and measures can enhance the overall resilience of the system against similar vulnerabilities.
Patching and Updates
Regularly updating the Samsung mTower software to the latest version with security patches is essential to mitigate the risks associated with CVE-2022-40761.