VDB-101155 · CVE-2017-0493 · BID 98140

Google Android 7.0/7.1.1 Lock Screen information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android 7.0/7.1.1. It has been classified as problematic. Affected is an unknown function of the component Lock Screen. This manipulation causes information disclosure. This vulnerability is registered as CVE-2017-0493. It is feasible to perform the attack on the physical device. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Google Android 7.0/7.1.1 (Smartphone Operating System) and classified as problematic. Affected by this vulnerability is an unknown code block of the component Lock Screen. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

An information disclosure vulnerability in File-Based Encryption could enable a local malicious attacker to bypass operating system protections for the lock screen. This issue is rated as Moderate due to the possibility of bypassing the lock screen. Product: Android. Versions: 7.0, 7.1.1. Android ID: A-32793550.

The bug was discovered 05/01/2017. The weakness was published 05/12/2017 (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2017-0493 since 11/29/2016. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98140†). Similar entries are available at VDB-100815, VDB-101104, VDB-101105 and VDB-101106. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: Yes
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/29/2016 🔍
05/01/2017 +153 days 🔍
05/01/2017 +0 days 🔍
05/12/2017 +11 days 🔍
05/12/2017 +0 days 🔍
05/13/2017 +1 days 🔍
12/23/2020 +1320 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Researcher: Ethan Yonker
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-0493 (🔍)
GCVE (CVE): GCVE-0-2017-0493
GCVE (VulDB): GCVE-100-101155
SecurityFocus: 98140 - Google Android File-based Encryption CVE-2017-0493 Information Disclosure Vulnerability
OSVDB: - CVE-2017-0493 - Google - Android - Medium

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 05/13/2017 08:59
Updated: 12/23/2020 11:53
Changes: 05/13/2017 08:59 (62), 09/25/2020 21:43 (5), 12/23/2020 11:53 (2)
Complete: 🔍
Cache ID: 216::103

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

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