There is an improper authorization vulnerability in several smartphones. The software does incorrectly performs an authorization check when a user attempts to perform certain action. Successful exploit could allow the attacker to update a crafted package. (Vulnerability ID: HWPSIRT-2019-07075)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5231.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
Versions earlier than ELLE-AL00B 22.214.171.124(C00E180R2P1)
Successful exploit could allow the attacker to update a crafted package.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 4.6 (AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Temporal Score: 4.3 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker physically connects to the phone.
The software does incorrectly performs an authorization check when a user attempts to perform certain action. Successful exploit could allow the attacker to update a crafted package.
The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.
This vulnerability was discovered by Huawei internal tester.
2019-09-30 V1.0 INITIAL
Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.
To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.
To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.