VDB-87612 · CVE-2016-4782 · GCVE-0-2016-4782

Lenovo SHAREit up to 3.5 on Android 4.3 intent Scheme input validation

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.
8.9	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Lenovo SHAREit up to 3.5 on Android 4.3. This affects an unknown function of the component intent Scheme Handler. The manipulation results in input validation. This vulnerability is reported as CVE-2016-4782. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Lenovo SHAREit up to 3.5 on Android 4.3. It has been classified as very critical. Affected is an unknown function of the component intent Scheme Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Lenovo SHAREit before 3.5.98_ww on Android before 4.2 allows remote attackers to have unspecified impact via a crafted intent: URL, aka an "intent scheme URL attack."

The weakness was disclosed 05/23/2016 (Website). The advisory is shared for download at support.lenovo.com. This vulnerability is traded as CVE-2016-4782 since 05/11/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/12/2018).

Upgrading to version 3.5.98_ww eliminates this vulnerability.

The entry VDB-87613 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Lenovo

Name

SHAREit

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: 9.3
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Input validation
CWE: CWE-20
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: SHAREit 3.5.98_ww

Timelineinfo

05/11/2016 🔍
05/23/2016 +12 days 🔍
05/23/2016 +0 days 🔍
05/24/2016 +1 days 🔍
12/12/2018 +932 days 🔍

Sourcesinfo

Vendor: lenovo.com

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

CVE: CVE-2016-4782 (🔍)
GCVE (CVE): GCVE-0-2016-4782
GCVE (VulDB): GCVE-100-87612
scip Labs: https://www.scip.ch/en/?labs.20130704
See also: 🔍

Entryinfo

Created: 05/24/2016 11:56
Updated: 12/12/2018 10:13
Changes: 05/24/2016 11:56 (60), 12/12/2018 10:13 (2)
Complete: 🔍
Cache ID: 216:812:103