Huawei MyCloud APP up to 8.1.2.303 Factory Reset Protection access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Huawei MyCloud APP up to 8.1.2.303. This affects an unknown function of the component Factory Reset Protection. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2018-7928. The physical device can be targeted for the attack. There is no available exploit.

Detailsinfo

A vulnerability was found in Huawei MyCloud APP up to 8.1.2.303 (Cloud Software). It has been declared as critical. This vulnerability affects an unknown function of the component Factory Reset Protection. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

There is a security vulnerability which could lead to Factory Reset Protection (FRP) bypass in the MyCloud APP with the versions before 8.1.2.303 installed on some Huawei smart phones. When re-configuring the mobile phone using the FRP function, an attacker can replace the old account with a new one through special steps by exploit this vulnerability. As a result, the FRP function is bypassed.

The bug was discovered 09/30/2018. The weakness was presented 10/09/2018 (Website). The advisory is shared for download at huawei.com. This vulnerability was named CVE-2018-7928 since 03/08/2018. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/08/2018 🔍
09/30/2018 +205 days 🔍
10/09/2018 +8 days 🔍
10/09/2018 +0 days 🔍
10/10/2018 +1 days 🔍
05/23/2023 +1686 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20180930-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7928 (🔍)
GCVE (CVE): GCVE-0-2018-7928
GCVE (VulDB): GCVE-100-125188

Entryinfo

Created: 10/10/2018 13:22
Updated: 05/23/2023 20:09
Changes: 10/10/2018 13:22 (57), 04/01/2020 14:54 (2), 05/23/2023 20:09 (3)
Complete: 🔍
Cache ID: 216::103

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