There is a use after free vulnerability on mediaserver component in smartphone. An attacker tricks the user install a malicious application, which make the software to reference memory after it has been freed. Successful exploit could cause execution of arbitrary code. (Vulnerability ID: HWPSIRT-2018-05121)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2018-7993.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
HUAWEI Mate 10
Versions earlier than ALP-AL00 22.214.171.1241
Upgrade to ALP-AL00 126.96.36.1991
Successful exploit could cause execution of arbitrary code.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 7.0 (AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
Temporal Score: 6.5 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker tricks the user install a malicious application.
The software reference memory after it has been freed. An attacker tricks the user install a malicious application, successful exploit could cause execution of arbitrary code.
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 Mingjian Zhou. Huawei would like to thank Mingjian Zhou for working with us and coordinated vulnerability disclosure to protect our customers.
2018-07-11 V1.0 INITIAL
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