VDB-171074 · CVE-2021-0370 · A-169259605

Google Android 11.0 NFC Server NxpMfcReader.cc Write out-of-bounds write

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.
7.0	$5k-$25k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Android 11.0. This affects the function Write of the file NxpMfcReader.cc of the component NFC Server. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2021-0370. An attack has to be approached locally. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Android 11.0 (Smartphone Operating System). Affected by this issue is the function Write of the file NxpMfcReader.cc of the component NFC Server. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 03/11/2021 as A-169259605. The advisory is available at source.android.com. This vulnerability is handled as CVE-2021-0370. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/31/2021). 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

Version

11.0

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
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: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2020 🔍
03/11/2021 +125 days 🔍
03/11/2021 +0 days 🔍
03/31/2021 +20 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-169259605
Status: Confirmed

CVE: CVE-2021-0370 (🔍)
GCVE (CVE): GCVE-0-2021-0370
GCVE (VulDB): GCVE-100-171074
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 03/11/2021 10:11
Updated: 03/31/2021 06:30
Changes: 03/11/2021 10:11 (42), 03/31/2021 06:26 (5), 03/31/2021 06:30 (18)
Complete: 🔍
Cache ID: 216::103