VDB-121427 · CVE-2018-9067 · GCVE-0-2018-9067

Lenovo Help App up to 6.1.2 on Android Access Control 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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Lenovo Help App up to 6.1.2 on Android. It has been classified as problematic. This impacts an unknown function of the component Access Control. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2018-9067. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Lenovo Help App up to 6.1.2 on Android (Android App Software). It has been rated as problematic. This issue affects an unknown code block of the component Access Control. 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. The summary by CVE is:

The Lenovo Help Android app versions earlier than 6.1.2.0327 had insufficient access control for some functions which, if exploited, could have led to exposure of approximately 400 email addresses and 8,500 IMEI.

The bug was discovered 07/12/2018. The weakness was disclosed 07/13/2018 (Website). It is possible to read the advisory at support.lenovo.com. The identification of this vulnerability is CVE-2018-9067 since 03/27/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.1.2.0327 eliminates this vulnerability.

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

Productinfo

Type

Android App Software

Vendor

Lenovo

Name

Help App

Version

License

commercial

Website

Vendor: https://www.lenovo.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: No
Local: No
Remote: Yes

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: Help App 6.1.2.0327

Timelineinfo

03/27/2018 🔍
07/12/2018 +107 days 🔍
07/13/2018 +0 days 🔍
07/13/2018 +0 days 🔍
07/13/2018 +0 days 🔍
03/04/2020 +600 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-9067 (🔍)
GCVE (CVE): GCVE-0-2018-9067
GCVE (VulDB): GCVE-100-121427
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 07/14/2018 01:10
Updated: 03/04/2020 20:06
Changes: 07/14/2018 01:10 (61), 03/04/2020 20:06 (2)
Complete: 🔍
Cache ID: 216::103