Security Advisory - Authentication Bypass Vulnerability in Huawei iBMC Products
- SA No:huawei-sa-20180509-01-bypass
- Initial Release Date: May 09, 2018
- Last Release Date: Jun 04, 2018
There is an authentication bypass vulnerability in Huawei iBMC products. A remote attacker with low privilege may craft specific messages to upload authentication certificate to the affected products. Due to improper validation of the upload authority, successful exploit may cause privilege elevation. (Vulnerability ID: HWPSIRT-2018-02055)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2018-7941.
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-20180509-01-bypass-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
CH121 V3 |
CH121 V3 V100R001C00 |
CH121 V3 V100R001C00SPC260 (iBMC: V298) |
|
CH121L V3 |
CH121L V3 V100R001C00 |
CH121L V3 V100R001C00SPC160(iBMC: V298) |
|
CH140 V3 |
CH140 V3 V100R001C00 |
CH140 V3 V100R001C00SPC180(iBMC: V298) |
|
CH140L V3 |
CH140L V3 V100R001C00 |
CH140L V3 V100R001C00SPC160(iBMC: V298) |
|
CH220 V3 |
CH220 V3 V100R001C00 |
CH220 V3 V100R001C00SPC260(iBMC: V298) |
|
CH222 V3 |
CH222 V3 V100R001C00 |
CH222 V3 V100R001C00SPC260(iBMC: V298) |
|
CH242 V3 |
CH242 V3 V100R001C00 |
CH242 V3 V100R001C00SPC330(iBMC: V298) |
|
RH1288 V3 |
RH1288 V3 V100R003C00 |
RH1288 V3 V100R003C00SPC701(iBMC: V294) |
|
RH2288 V3 |
RH2288 V3 V100R003C00 |
RH2288 V3 V100R003C00SPC701(iBMC: V294) |
|
RH2288H V3 |
RH2288H V3 V100R003C00 |
RH2288H V3 V100R003C00SPC701(iBMC: V294) |
|
XH310 V3 |
XH310 V3 V100R003C00 |
XH310 V3 V100R003C00SPC701(iBMC: V296) |
|
XH321 V3 |
XH321 V3 V100R003C00 |
XH321 V3 V100R003C00SPC701(iBMC: V296) |
|
XH620 V3 |
XH620 V3 V100R003C00 |
XH620 V3 V100R003C00SPC701(iBMC: V296) |
|
CH121 V5 |
CH121 V5 V100R001C00 |
CH121 V5 V100R001C00SPC123(iBMC: V296) |
|
CH121L V5 |
CH121L V5 V100R001C00 |
CH121L V5 V100R001C00SPC121(iBMC: V296) |
|
CH242 V5 |
CH242 V5 V100R001C00 |
CH242 V5 V100R001C00SPC112(iBMC: V296) |
|
1288H V5 |
1288H V5 V100R005C00 |
1288H V5 V100R005C00SPC113(iBMC: V300) |
|
2288H V5 |
2288H V5 V100R005C00 |
2288H V5 V100R005C00SPC113(iBMC: V300) |
|
2488 V5 |
2488 V5 V100R005C00 |
2488 V5 V100R005C00SPC302(iBMC: V296) |
|
XH321 V5 |
XH321 V5 V100R005C00 |
XH321 V5 V100R005C00SPC400(iBMC: V296) |
Successful exploit may cause privilege elevation.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Temporal Score: 8.2 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
1. The attacker gains the access of the affected products.
Vulnerability details:
A remote attacker with low privilege may craft specific messages to upload authentication certificate to the affected products. Due to improper validation of the upload authority, successful exploit may cause privilege elevation.
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.
2018-06-04 V1.2 UPDATED Updated the affected version and fix version information
2018-05-16 V1.1 UPDATED Updated Software Versions and Fixes
2018-05-09 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.
