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A Huawei PC product is vulnerable to improper handling of length parameter inconsistency. Successful exploitation of this vulnerability can compromise the data structure stored at the beginning of SMRAM and may cause code execution in SMM.(Vulnerability ID:HWPSIRT-2023-91490)
This vulnerability has been assigned a (CVE)ID:CVE-2023-52547
Successful exploitation can compromise the data structure stored at the beginning of SMRAM and may cause code execution in SMM.
Vulnerabilities are scored base on the CVSS v3.1 scoring system. For details please refer to: https://www.first.org/cvss/specification-document.
HWPSIRT-2023-91490:
Base Score: 7.8
Temporal Score: 7.8
Environmental Score: NA
CVSS v3.1 Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X
This vulnerability can be exploited only when the following conditions are present:
An improperly-sized memory buffer is crafted.
Technical details:
The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.
The vulnerability was reported by an external researcher under the Bug Bounty Program.
None
Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.
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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.