Apple iOS up to 10.0.3 FaceTime 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 classified as critical has been found in Apple iOS up to 10.0.3. Impacted is an unknown function of the component FaceTime. This manipulation causes information disclosure. This vulnerability appears as CVE-2016-4635. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple iOS up to 10.0.3 (Smartphone Operating System). Affected by this vulnerability is some unknown processing of the component FaceTime. 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, integrity, and availability. The summary by CVE is:

FaceTime in Apple iOS before 9.3.3 and OS X before 10.11.6 allows man-in-the-middle attackers to spoof relayed-call termination, and obtain sensitive audio information in opportunistic circumstances, via unspecified vectors.

The weakness was presented 10/24/2016 by Martin Vigo with salesforce.com as HT207271 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2016-4635 since 05/11/2016. The attack can be launched remotely. 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 advisory points out:

User interface inconsistencies existed in the handling of relayed calls. These issues were addressed through improved FaceTime display logic.

The vulnerability scanner Nessus provides a plugin with the ID 92496 (Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370095 (Apple Mac OS X v10.11.6 and Security Update 2016-004 Not Installed (APPLE-SA-2016-07-18-1)).

Upgrading to version 10.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (92496) and SecurityFocus (BID 91829†). See VDB-88079, VDB-89684, VDB-89686 and VDB-89687 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92496
Nessus Name: Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities December-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 10.1

Timelineinfo

05/11/2016 🔍
07/18/2016 +68 days 🔍
07/21/2016 +3 days 🔍
07/21/2016 +0 days 🔍
10/24/2016 +95 days 🔍
10/24/2016 +0 days 🔍
10/25/2016 +1 days 🔍
09/28/2022 +2164 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207271
Researcher: Martin Vigo
Organization: salesforce.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4635 (🔍)
GCVE (CVE): GCVE-0-2016-4635
GCVE (VulDB): GCVE-100-93043
SecurityFocus: 91829 - Apple Mac OS X and iOS CVE-2016-4635 Security Bypass Vulnerability
SecurityTracker: 1036344

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

Entryinfo

Created: 10/25/2016 08:58
Updated: 09/28/2022 09:46
Changes: 10/25/2016 08:58 (61), 05/17/2019 14:33 (24), 09/28/2022 09:46 (4)
Complete: 🔍
Cache ID: 216:959:103

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