CVE-2023-49794 : Exploit Details and Defense Strategies
Learn about CVE-2023-49794 impacting KernelSU. This vulnerability allows root access bypass by spoofing, affecting versions <= 0.7.1. Understand the exploit and find mitigation steps.
A vulnerability has been identified in KernelSU, a Kernel-based root solution for Android devices, that allows the bypassing of get apk path logic in the KernelSU module. This could lead to an authentication bypass by spoofing, potentially granting root permissions to malicious apps.
Understanding CVE-2023-49794
This section will delve into the details of the CVE-2023-49794 vulnerability in KernelSU.
What is CVE-2023-49794?
In versions 0.7.1 and earlier of KernelSU, the logic of get apk path in the KernelSU kernel module can be circumvented. This flaw enables any malicious apk named
me.weishu.kernelsuThe Impact of CVE-2023-49794
The impact of CVE-2023-49794 is significant, as it allows unauthorized apps to gain elevated privileges on Android devices running affected versions of KernelSU. This could potentially lead to complete device compromise.
Technical Details of CVE-2023-49794
This section will provide in-depth technical information about the CVE-2023-49794 vulnerability.
Vulnerability Description
The vulnerability arises from the flawed logic in the get apk path function within the KernelSU kernel module, which can be exploited to bypass authentication and gain unauthorized root access.
Affected Systems and Versions
Vendor 'tiann' and product 'KernelSU' are affected by CVE-2023-49794, specifically versions <= 0.7.1.
Exploitation Mechanism
Malicious actors can exploit this vulnerability by tricking devices into installing a specially crafted malicious apk that masquerades as the official KernelSU Manager, thereby obtaining root privileges surreptitiously.
Mitigation and Prevention
This section will outline steps to mitigate and prevent the exploitation of CVE-2023-49794.
Immediate Steps to Take
Users are advised to exercise caution while installing apps on devices with KernelSU installed. Avoid installing unverified apks that mimic the official KernelSU Manager to prevent unauthorized privilege escalation.
Long-Term Security Practices
Regularly updating KernelSU to the latest version, once a patched release is made available by the vendor, is crucial in safeguarding devices against such exploits.
Patching and Updates
It is imperative for users to apply patches and updates promptly to address vulnerabilities like CVE-2023-49794 and enhance the security posture of their Android devices.