Huawei Honor 8 Bootloader access control

Summaryinfo

A vulnerability was found in Huawei Honor 8, Honor V8, Honor 9, Honor V9, Nova 2, Nova 2 Plus, P9, P10 Plus and Toronto. It has been rated as critical. This issue affects some unknown processing of the component Bootloader. The manipulation leads to access control. This vulnerability is traded as CVE-2017-8214. It is possible to launch the attack on the physical device. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Huawei Honor 8, Honor V8, Honor 9, Honor V9, Nova 2, Nova 2 Plus, P9, P10 Plus and Toronto (Smartphone Operating System) and classified as problematic. This issue affects an unknown function of the component Bootloader. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Honor 8,Honor V8,Honor 9,Honor V9,Nova 2,Nova 2 Plus,P9,P10 Plus,Toronto Huawei smart phones with software of versions earlier than FRD-AL00C00B391, versions earlier than FRD-DL00C00B391, versions earlier than KNT-AL10C00B391, versions earlier than KNT-AL20C00B391, versions earlier than KNT-UL10C00B391, versions earlier than KNT-TL10C00B391, versions earlier than Stanford-AL00C00B175, versions earlier than Stanford-AL10C00B175, versions earlier than Stanford-TL00C01B175, versions earlier than Duke-AL20C00B191, versions earlier than Duke-TL30C01B191, versions earlier than Picasso-AL00C00B162, versions earlier than Picasso-TL00C01B162 , versions earlier than Barca-AL00C00B162, versions earlier than Barca-TL00C00B162, versions earlier than EVA-AL10C00B396SP03, versions earlier than EVA-CL00C92B396, versions earlier than EVA-DL00C17B396, versions earlier than EVA-TL00C01B396 , versions earlier than Vicky-AL00AC00B172, versions earlier than Toronto-AL00AC00B191, versions earlier than Toronto-TL10C01B191 have an unlock code verification bypassing vulnerability. An attacker with the root privilege of a mobile can exploit this vulnerability to bypass the unlock code verification and unlock the mobile phone bootloader.

The bug was discovered 09/08/2017. The weakness was shared 11/22/2017 (Website). The advisory is shared at huawei.com. The identification of this vulnerability is CVE-2017-8214 since 04/25/2017. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 75 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The entry VDB-109950 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Huawei

Name

• Honor 8
• Honor 9
• Honor V8
• Honor V9
• Nova 2
• Nova 2 Plus
• P9
• P10 Plus
• Toronto

License

• commercial

Website

• Vendor: https://www.huawei.com/

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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