Apple iOS up to 10.2 Accounts Lockscreen information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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2.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple iOS up to 10.2. This vulnerability affects unknown code of the component Accounts. Executing a manipulation can lead to information disclosure (Lockscreen). This vulnerability appears as CVE-2017-2397. The physical device can be targeted for the attack. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple iOS up to 10.2 (Smartphone Operating System). It has been declared as problematic. This vulnerability affects an unknown function of the component Accounts. The manipulation with an unknown input leads to a information disclosure vulnerability (Lockscreen). 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. CVE summarizes:

An issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the "Accounts" component. It allows physically proximate attackers to discover an Apple ID by reading an iCloud authentication prompt on the lock screen.

The bug was discovered 03/27/2017. The weakness was presented 03/27/2017 by Suprovici Vadim as HT207617 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2017-2397 since 12/01/2016. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592. The advisory points out:

A prompt management issue was addressed by removing iCloud authentication prompts from the lock screen.

Upgrading to version 10.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97138†). See VDB-98811, VDB-98750, VDB-98749 and VDB-98746 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.3

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

NVD Base Score: 2.4
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Lockscreen
Class: Information disclosure / Lockscreen
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 10.3

Timelineinfo

12/01/2016 🔍
03/27/2017 +116 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
04/01/2017 +4 days 🔍
11/20/2022 +2059 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207617
Researcher: Suprovici Vadim
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2397 (🔍)
GCVE (CVE): GCVE-0-2017-2397
GCVE (VulDB): GCVE-100-98728
SecurityFocus: 97138 - Apple iOS APPLE-SA-2017-03-27-4 Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2397 - Apple - iOS - Information Disclosure Issue
SecurityTracker: 1038139

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

Entryinfo

Created: 03/28/2017 11:35
Updated: 11/20/2022 15:31
Changes: 03/28/2017 11:35 (69), 08/21/2020 16:46 (6), 11/20/2022 15:31 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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