There is a use after free vulnerability in several smartphones. There is a condition exists that the system would reference memory after it has been freed, the attacker should trick the user into running a crafted application with common privilege, successful exploit could cause code execution. (Vulnerability ID: HWPSIRT-2020-02160)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9263.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
HUAWEI Mate 30
Versions earlier than 10.1.0.150(C00E136R5P3)
Versions earlier than 10.1.0.160(C00E160R2P11)
Successful exploit could cause code execution.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 7.3 (AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)
Temporal Score: 6.8 (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 running a crafted application with common privilege.
There is a condition exists that the system would reference memory after it has been freed, the attacker should trick the user into running a crafted application with common privilege, successful exploit could cause code execution.
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 360. Huawei would like to thank 360 for working with us and coordinated vulnerability disclosure to protect our customers.
2020-07-01 V1.0 INITIAL
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