VDB-172966 · CVE-2021-0438 · A-152064592

Google Android 8.1/9.0/10.0 InputDispatcher.cpp FLAG_OBSCURED ui layer

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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Google Android 8.1/9.0/10.0. This affects an unknown part of the file InputDispatcher.cpp. Executing a manipulation of the argument FLAG_OBSCURED can lead to ui layer. This vulnerability is handled as CVE-2021-0438. It is possible to launch the attack on the local host. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability has been found in Google Android 8.1/9.0/10.0 (Smartphone Operating System) and classified as problematic. This vulnerability affects an unknown part of the file InputDispatcher.cpp. The manipulation of the argument FLAG_OBSCURED with an unknown input leads to a ui layer vulnerability. The CWE definition for the vulnerability is CWE-1021. The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 04/14/2021 as A-152064592. The advisory is available at source.android.com. This vulnerability was named CVE-2021-0438. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/17/2021). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

Version

License

free

Website

Vendor: https://www.google.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Ui layer
CWE: CWE-1021
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2020 🔍
04/14/2021 +158 days 🔍
04/14/2021 +0 days 🔍
04/17/2021 +3 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-152064592
Status: Confirmed

CVE: CVE-2021-0438 (🔍)
GCVE (CVE): GCVE-0-2021-0438
GCVE (VulDB): GCVE-100-172966
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 04/14/2021 07:16
Updated: 04/17/2021 13:28
Changes: 04/14/2021 07:16 (40), 04/17/2021 13:28 (5)
Complete: 🔍
Cache ID: 216::103