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3 vulnerabilities by tiann
CVE-2023-49794 (GCVE-0-2023-49794)
Vulnerability from cvelistv5 – Published: 2024-01-02 19:58 – Updated: 2025-05-09 19:49
VLAI
Title
The logic of get apk path in KernelSU module can be bypassed
Summary
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.
Severity
6.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/tiann/KernelSU/security/adviso… | x_refsource_CONFIRM |
| https://drive.google.com/file/d/1b9UrmG_co9EJXB_y… | x_refsource_MISC |
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CVE-2023-46139 (GCVE-0-2023-46139)
Vulnerability from cvelistv5 – Published: 2023-10-30 23:58 – Updated: 2024-09-05 20:16
VLAI
Title
KernelSU signature validation mismatch
Summary
KernelSU is a Kernel based root solution for Android. Starting in version 0.6.1 and prior to version 0.7.0, if a KernelSU installed device is infected with a malware whose app signing block specially constructed, it can take over root privileges on the device. The vulnerable verification logic actually obtains the signature of the last block with an id of `0x7109871a`, while the verification logic during Android installation is to obtain the first one. In addition to the actual signature upgrade that has been fixed (KSU thought it was V2 but was actually V3), there is also the problem of actual signature downgrading (KSU thought it was V2 but was actually V1). Find a condition in the signature verification logic that will cause the signature not to be found error, and KernelSU does not implement the same conditions, so KSU thinks there is a V2 signature, but the APK signature verification actually uses the V1 signature. This issue is fixed in version 0.7.0. As workarounds, keep the KernelSU manager installed and avoid installing unknown apps.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/tiann/KernelSU/security/adviso… | x_refsource_CONFIRM |
| https://github.com/tiann/KernelSU/commit/d24813b2… | x_refsource_MISC |
| https://drive.google.com/drive/folders/1XdYCCAhC_… | x_refsource_MISC |
| https://github.com/tiann/KernelSU/blob/344c08bb79… | x_refsource_MISC |
| https://github.com/tiann/KernelSU/blob/344c08bb79… | x_refsource_MISC |
| http://aospxref.com/android-14.0.0_r2/xref/framew… | x_refsource_MISC |
| http://aospxref.com/android-14.0.0_r2/xref/framew… | x_refsource_MISC |
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CVE-2023-5521 (GCVE-0-2023-5521)
Vulnerability from cvelistv5 – Published: 2023-10-11 12:00 – Updated: 2024-09-18 15:45
VLAI
Title
Incorrect Authorization in tiann/kernelsu
Summary
Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| tiann | tiann/kernelsu |
Affected:
unspecified , < v0.6.9
(custom)
|
|
| tiann | kernelsu |
Affected:
0 , < 0.6.9
(custom)
cpe:2.3:a:tiann:kernelsu:*:*:*:*:*:*:*:* |
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