Apple iOS up to 9.3.3 Keyboards information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Apple iOS up to 9.3.3. The impacted element is an unknown function of the component Keyboards. Such manipulation leads to information disclosure. This vulnerability is traded as CVE-2016-4746. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS up to 9.3.3 (Smartphone Operating System). Affected by this issue is some unknown functionality of the component Keyboards. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

The Keyboards component in Apple iOS before 10 does not properly use a cache for auto-correct suggestions, which allows remote attackers to obtain sensitive information in opportunistic circumstances by leveraging an unintended correction.

The weakness was shared 09/13/2016 by Raul Siles with DinoSec as HT207143 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2016-4746 since 05/11/2016. The exploitation is known to be easy. The attack needs to be approached locally. A simple authentication is required for 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:

The iOS keyboard was inadvertently caching sensitive information. This issue was addressed through improved heuristics.

Upgrading to version 10 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 92932†). The entries VDB-91602, VDB-91603, VDB-91605 and VDB-91606 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
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: Upgrade
Status: 🔍

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

Upgrade: iOS 10

Timelineinfo

05/11/2016 🔍
09/13/2016 +125 days 🔍
09/13/2016 +0 days 🔍
09/13/2016 +0 days 🔍
09/14/2016 +1 days 🔍
09/18/2016 +4 days 🔍
09/16/2022 +2189 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207143
Researcher: Raul Siles
Organization: DinoSec
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4746 (🔍)
GCVE (CVE): GCVE-0-2016-4746
GCVE (VulDB): GCVE-100-91604
SecurityFocus: 92932 - Apple iOS Prior to 10 Multiple Security Vulnerabilities
SecurityTracker: 1036797

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

Entryinfo

Created: 09/14/2016 18:00
Updated: 09/16/2022 15:41
Changes: 09/14/2016 18:00 (58), 04/16/2019 20:28 (14), 09/16/2022 15:41 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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