Security Advisory - Improper Signature Management Vulnerability in Some Huawei Products
- SA No:huawei-sa-20211020-01-signature
- Initial Release Date: 2021-10-20
- Last Release Date: 2021-10-20
There is a signature management vulnerability in some huawei products. An attacker can forge signature and bypass the signature check. During firmware update process, successful exploit this vulnerability can cause the forged system file overwrite the correct system file. (Vulnerability ID: HWPSIRT-2020-05228)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-37127.
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-20211020-01-signature-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
iManager NetEco |
V600R010C00CP2001 |
V600R010C00SPC310 |
|
V600R010C00CP2002 |
||
|
V600R010C00SPC100 |
||
|
V600R010C00SPC110 |
||
|
V600R010C00SPC120 |
||
|
V600R010C00SPC200 |
||
|
V600R010C00SPC210 |
||
|
V600R010C00SPC300 |
||
|
iManager NetEco 6000 |
V600R009C00SPC100 |
V600R009C00CP2401 |
|
V600R009C00SPC110 |
||
|
V600R009C00SPC120 |
||
|
V600R009C00SPC190 |
||
|
V600R009C00SPC200 |
||
|
V600R009C00SPC201 |
||
|
V600R009C00SPC202 |
||
|
V600R009C00SPC210 |
Successful exploit this vulnerability can cause the forged system file overwrite the correct system file.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 6.4 (AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H)
Temporal Score: 5.9 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker can get the admin privilege and access the device.
Vulnerability details:
An attacker can forge signature and bypass the signature check. During firmware update process, successful exploit this vulnerability can cause the forged system file overwrite the correct system file.
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
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.
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 PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.
