Some Huawei products have a buffer overflow vulnerability. After obtaining the root permission, an attacker can exploit the vulnerability to cause buffer overflow. (Vulnerability ID: HWPSIRT-2020-43452)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-22301.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
HUAWEI Mate 30
An attacker can exploit the vulnerability to cause buffer overflow.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 6.7 (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
Temporal Score: 6.2 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
An attacker have the root permission of the target phone.
Some Huawei products have a buffer overflow vulnerability. After obtaining the root permission, an attacker can exploit the vulnerability to cause buffer overflow.
The product that supports automatic update will receive a software update prompt. You can install the update to fix the vulnerability.
This vulnerability was discovered by Huawei internal tester.
2021-01-27 V1.0 INITIAL
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