There is an improper authorization vulnerability in several smartphones. The software does not properly restrict certain operation in ADB mode, successful exploit could allow the attacker to switch to third desktop after a series of operation. (Vulnerability ID: HWPSIRT-2019-02253)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5308.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
Mate 20 RS
Versions earlier than 220.127.116.11(C786E133R3P1)
Upgrade to 18.104.22.168(C786E133R3P1)
Successful exploit could allow the attacker to switch to third desktop after a series of operation.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 2.4 (AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Temporal Score: 2.3 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker has got the smartphone.
The software does not properly restrict certain operation in ADB mode, successful exploit could allow the attacker to switch to third desktop after a series of operation.
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.
2019-11-27 V1.0 INITIAL
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