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There is a buffer overflow vulnerability in several smartphones. The software access data past the end, or before the beginning, of the intended buffer when handling certain operations of certificate, the attacker should trick the user into installing a malicious application, successful exploit may cause code execution. (Vulnerability ID: HWPSIRT-2020-04124)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9257.
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-20200715-03-smartphone-en
Product Name |
Affected Version |
Resolved Product and Version |
HUAWEI P30 Pro |
Versions earlier than 10.1.0.123(C432E19R2P5patch02) |
10.1.0.123(C432E19R2P5patch02) |
Versions earlier than 10.1.0.126(C10E11R5P1) |
10.1.0.126(C10E11R5P1) |
|
Versions earlier than 10.1.0.160(C00E160R2P8) |
10.1.0.160(C00E160R2P8) |
Successful exploit may cause code execution.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Temporal Score: 7.2 (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.
Vulnerability details:
The software access data past the end, or before the beginning, of the intended buffer when handling certain operations of certificate, the attacker should trick the user into installing a malicious application, successful exploit may 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 Pangu lab. Huawei would like to thank Pangu lab for working with us and coordinated vulnerability disclosure to protect our customers.
2020-07-15 V1.0 INITIAL
None
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To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.