Security Advisory - Buffer Overflow Vulnerability BootHole in GRUB2 Secure Boot
- SA No:huawei-sa-20200923-01-grub2
- Initial Release Date: 2020-09-23
- Last Release Date: 2020-09-28
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-20200923-01-grub2-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
Agile Controller-Campus |
V100R002C00 |
V100R003C60SPC209 |
|
V100R002C10 |
||
|
V100R002C10SPC400 |
||
|
V100R002C10SPC403 |
||
|
V100R003C30 |
||
|
V100R003C30SPC100 |
||
|
V100R003C50 |
||
|
V100R003C50SPC200 |
||
|
V100R003C50SPC300 |
||
|
V100R003C50SPC302 |
||
|
V100R003C60 |
||
|
V100R003C60SPC200 |
||
|
CIS |
V100R007C00 |
V100R003C50HP0001 |
|
FireHunter6000 |
V100R003C50 |
V100R003C50HP0001 |
|
SIG9800-X16 |
V300R009C10 |
Security_Hardening_Tool 15.2 |
|
eSight |
V300R007C00SPC503 |
V300R010C00CP5030 |
|
eSight Network |
V300R008C00 |
eSight V300R010C00CP5030 |
|
V300R008C00SPC100 |
||
|
V300R009C00 |
Attackers exploiting this vulnerability can install persistent and stealthy bootkits or malicious bootloaders that could give them near-total control over the victim device.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 8.2 (AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
Temporal Score: 7.6 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
Attackers have local access to the affected device.
Vulnerability details:
The buffer overflow vulnerability exists when the boot loader parses a file. It can be used to gain arbitrary code execution during the boot process, even when Secure Boot is enabled. Attackers exploiting this vulnerability can install persistent and stealthy bootkits or malicious bootloaders that could give them near-total control over the victim device.
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/index.htm
This vulnerability was publicly disclosed.
2020-09-30 V1.1 UPDATED Updated the "Software Versions and Fixes" section;
2020-09-23 V1.0 INITIAL
None
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