CVE-2021-39995: Security Advisory - Possible Out-Of-Bounds Read Vulnerability in Some Huawei Products

Some Huawei products use the OpenHpi software for hardware management. A function that parses data returned by OpenHpi contains an out-of-bounds read vulnerability that could lead to a denial of service. (Vulnerability ID: HWPSIRT-2020-00938)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-39995.

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-20211124-03-dos-en

Product Name

Affected Version

Resolved Product and Version

eCNS280_TD

V100R005C10

V100R005C10SPC800B010

eSE620X vESS

V100R001C10SPC200

V200R001C00SPC360

V100R001C20SPC200

V200R001C00SPC300

The attacker could exploit this vulnerability to cause the affected module reset.

This vulnerability can be exploited only when the following conditions are present:
The attacker can connect to the device.

Vulnerability details:
Some Huawei products use the OpenHpi software for hardware management. A function that parses data returned by OpenHpi contains an out-of-bounds read vulnerability that could lead to a denial of service.

This vulnerability was discovered by Huawei internal tester.

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.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to [email protected]. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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