CVE-2023-49794
In versions 0.7.1 and prior, the logic of get apk path in KernelSU kernel module can be bypassed, which causes any malicious apk named `me.weishu.kernelsu` get root permission.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
KernelSU is a Kernel-based root solution for Android devices. In versions 0.7.1 and prior, the logic of get apk path in KernelSU kernel module can be bypassed, which causes any malicious apk named `me.weishu.kernelsu` get root permission. If a KernelSU module installed device try to install any not checked apk which package name equal to the official KernelSU Manager, it can take over root privileges on the device. As of time of publication, a patched version is not available.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.25% probability · 17th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-290
- Affected
- kernelsu/kernelsu
- Source
- security-advisories@github.com
References
- https://drive.google.com/file/d/1b9UrmG_co9EJXB_yMBneRArUIR5sTuaN/view?usp=drive_linkProduct
- https://github.com/tiann/KernelSU/security/advisories/GHSA-8rc5-x54x-5qc4Exploit, Vendor Advisory
- https://drive.google.com/file/d/1b9UrmG_co9EJXB_yMBneRArUIR5sTuaN/view?usp=drive_linkProduct
- https://github.com/tiann/KernelSU/security/advisories/GHSA-8rc5-x54x-5qc4Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.