VDB-116861 · CVE-2017-3776 · GCVE-0-2017-3776

Lenovo Help Android Mobile App up to 6.1.2 information disclosure

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.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Lenovo Help Android Mobile App up to 6.1.2 and classified as critical. This affects an unknown function. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2017-3776. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Lenovo Help Android Mobile App up to 6.1.2 and classified as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Lenovo Help Android mobile app versions earlier than 6.1.2.0327 allowed information to be transmitted over an HTTP channel, permitting others observing the channel to potentially see this information.

The bug was discovered 04/17/2018. The weakness was released 04/19/2018 (Website). The advisory is shared at support.lenovo.com. The identification of this vulnerability is CVE-2017-3776 since 12/16/2016. The attack may be initiated remotely. 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 T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.1.2.0327 eliminates this vulnerability.

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Productinfo

Vendor

Lenovo

Name

Help Android Mobile 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: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Information disclosure
CWE: CWE-200 / 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 Android Mobile App 6.1.2.0327

Timelineinfo

12/16/2016 🔍
04/17/2018 +487 days 🔍
04/19/2018 +1 days 🔍
04/19/2018 +0 days 🔍
04/21/2018 +2 days 🔍
01/29/2020 +648 days 🔍

Sourcesinfo

Vendor: lenovo.com

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

CVE: CVE-2017-3776 (🔍)
GCVE (CVE): GCVE-0-2017-3776
GCVE (VulDB): GCVE-100-116861

Entryinfo

Created: 04/21/2018 16:31
Updated: 01/29/2020 21:19
Changes: 04/21/2018 16:31 (58), 01/29/2020 21:19 (2)
Complete: 🔍
Cache ID: 216::103