Huawei Mobile Phone up to 8.1.0 Debug Mode improper authentication

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.8$0-$5k0.00

A vulnerability has been found in Huawei Mobile Phone up to 8.1.0 (Smartphone Operating System) and classified as problematic. Affected by this vulnerability is an unknown code block of the component Debug Mode. The manipulation with an unknown input leads to a weak authentication vulnerability. The CWE definition for the vulnerability is CWE-287. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Huawei mobile phones with versions earlier before Emily-AL00A 8.1.0.153(C00) have an authentication bypass vulnerability. An attacker could trick the user to connect to a malicious device. In the debug mode, the malicious software in the device may exploit the vulnerability to bypass some specific function. Successful exploit may cause some malicious applications to be installed in the mobile phones.

The bug was discovered 07/20/2018. The weakness was shared 07/31/2018 (Website). The advisory is shared at huawei.com. This vulnerability is known as CVE-2018-7947 since 03/08/2018. An attack has to be approached locally. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 8.1.0.153(C00) eliminates this vulnerability.

The entry 122448 is related to this item.

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VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.8

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.9
NVD Vector: 🔍

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mobile Phone 8.1.0.153(C00)

Timelineinfoedit

03/08/2018 🔍
07/20/2018 +133 days 🔍
07/31/2018 +10 days 🔍
07/31/2018 +0 days 🔍
08/01/2018 +1 days 🔍
03/12/2020 +589 days 🔍

Sourcesinfoedit

Vendor: https://www.huawei.com/

Advisory: huawei.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7947 (🔍)
See also: 🔍

Entryinfoedit

Created: 08/01/2018 11:06 AM
Updated: 03/12/2020 09:17 AM
Changes: (2) vulnerability_discoverydate advisory_confirm_url
Complete: 🔍

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