VDB-124229 · CVE-2018-7929 · sa-20180914-01

Huawei Mate RS prior NEO-AL00D 8.1.0.167(C786) Lock Screen 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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Huawei Mate RS. It has been rated as critical. The affected element is an unknown function of the component Lock Screen. The manipulation leads to access control. This vulnerability is traded as CVE-2018-7929. 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, which was classified as critical, has been found in Huawei Mate RS (Smartphone Operating System). This issue affects an unknown function of the component Lock Screen. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Huawei Mate RS smartphones with the versions before NEO-AL00D 8.1.0.167(C786) have a lock-screen bypass vulnerability. An attacker could unlock and use the phone through certain operations.

The bug was discovered 09/12/2018. The weakness was shared 09/18/2018 (Website). The advisory is shared at huawei.com. The identification of this vulnerability is CVE-2018-7929 since 03/08/2018. 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 6 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version NEO-AL00D 8.1.0.167(C786) eliminates this vulnerability.

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Productinfo

Type

Smartphone Operating System

Vendor

Huawei

Name

Mate RS

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mate RS NEO-AL00D 8.1.0.167(C786)

Timelineinfo

03/08/2018 🔍
09/12/2018 +187 days 🔍
09/18/2018 +5 days 🔍
09/18/2018 +0 days 🔍
09/19/2018 +1 days 🔍
05/17/2023 +1701 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20180914-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7929 (🔍)
GCVE (CVE): GCVE-0-2018-7929
GCVE (VulDB): GCVE-100-124229

Entryinfo

Created: 09/19/2018 07:06
Updated: 05/17/2023 08:33
Changes: 09/19/2018 07:06 (59), 03/25/2020 08:47 (2), 05/17/2023 08:33 (4)
Complete: 🔍
Cache ID: 216::103