There has a privilege elevation vulnerability in some smartphones. Due to lack of privilege restrictions on some of the business functions of the device. An attacker could exploit this vulnerability to access the protecting information, resulting in the elevation of the privilege. (Vulnerability ID: HWPSIRT-2020-04152)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9112.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
Versions earlier than 10.1.0.156(C00E155R7P2)
Successful exploit will cause privilege escalation.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 6.1 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N)
Temporal Score: 5.7 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker gains the local access of the affected products.
Due to lack of privilege restrictions on some of the business functions of the device. An attacker could exploit this vulnerability to access the protecting information, resulting in the elevation of the privilege.
The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.
This vulnerability was reported to Huawei PSIRT by Wen Guanxing. Huawei would like to thank Wen Guanxing for working with us and coordinated vulnerability disclosure to protect our customers.
2020-10-14 V1.0 INITIAL
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