There is a path traversal vulnerability in Huawei FusionCube product. The vulnerability is due to that the software uses external input to construct a pathname that is intended to identify a directory that is located underneath a restricted parent directory, but the software does not properly validate the pathname. Successful exploit could allow the attacker to access a location that is outside of the restricted directory by a crafted filename. (Vulnerability ID: HWPSIRT-2021-72463)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-37130.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
Successful exploit could allow the attacker to access a location that is outside of the restricted directory by a crafted filename.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 7.2 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
Temporal Score: 6.7 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
an attacker could craft a filename in the message to the device.
The software uses external input to construct a pathname that is intended to identify a directory, but the software does not sufficiently validate the input. Successful exploit could allow the attacker to access a location that is outside of the restricted directory by a crafted filename.
Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.
This vulnerability was discovered by Huawei internal tester.
2021-10-20 V1.0 INITIAL
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