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 184.108.40.206(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
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