Huawei Mate 9 Pro LON-AL00BC00B139D/LON-AL00BC00B229 Deactivation Lock access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Huawei Mate 9 Pro LON-AL00BC00B139D/LON-AL00BC00B229. The affected element is an unknown function of the component Deactivation Lock. This manipulation causes access control. This vulnerability is tracked as CVE-2017-17326. It is feasible to perform the attack on the physical device. No exploit exists.

Detailsinfo

A vulnerability was found in Huawei Mate 9 Pro LON-AL00BC00B139D/LON-AL00BC00B229 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is an unknown code of the component Deactivation Lock. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Huawei Mate 9 Pro Smartphones with software of LON-AL00BC00B139D; LON-AL00BC00B229 have an activation lock bypass vulnerability. The smartphone is supposed to be activated by the former account after reset if find my phone function is on. The software does not have a sufficient protection of activation lock. Successful exploit could allow an attacker to bypass the activation lock and activate the smartphone by a new account after a series of operation.

The bug was discovered 12/27/2017. The weakness was disclosed 03/09/2018 (Website). It is possible to read the advisory at huawei.com. This vulnerability is known as CVE-2017-17326 since 12/04/2017. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 72 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.

The entry VDB-114305 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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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-284 / CWE-266
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

12/04/2017 🔍
12/27/2017 +23 days 🔍
03/09/2018 +72 days 🔍
03/09/2018 +0 days 🔍
03/10/2018 +1 days 🔍
02/21/2023 +1809 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20171227-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-17326 (🔍)
GCVE (CVE): GCVE-0-2017-17326
GCVE (VulDB): GCVE-100-114307
See also: 🔍

Entryinfo

Created: 03/10/2018 22:23
Updated: 02/21/2023 08:14
Changes: 03/10/2018 22:23 (59), 01/12/2020 08:09 (2), 02/21/2023 08:14 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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