Security Advisory - Improper Authorization Vulnerability in Several Smartphones
- SA No:huawei-sa-20191204-02-smartphone
- Initial Release Date: 2019-12-04
- Last Release Date: 2019-12-04
There is an improper authorization vulnerability in several smartphones. The software does not properly restrict certain operation of certain privilege, the attacker should trick the user into installing a malicious application before the user turns on student mode function. Successful exploit could allow the attacker to bypass the limit of student mode function. (Vulnerability ID: HWPSIRT-2019-05149)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5250.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191204-02-smartphone-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
Mate 20 Pro |
Versions earlier than 9.1.0.135(C00E133R3P1) |
9.1.0.135(C00E133R3P1) |
Successful exploit could allow the attacker to bypass the limit of student mode function.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 3.2 (AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
Temporal Score: 3.0 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker should trick the user into installing a malicious application before the user turns on student mode function.
Vulnerability details:
The software does not properly restrict certain operation of certain privilege, the attacker should trick the user into installing a malicious application before the user turns on student mode function. Successful exploit could allow the attacker to bypass the limit of student mode function.
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 an external security researcher. Huawei would like to thank this researcher for working with us and coordinated vulnerability disclosure to protect our customers.
2019-12-04 V1.0 INITIAL
None
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