Apple tvOS up to 10.2.2 WebKit information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple tvOS up to 10.2.2. This affects an unknown function of the component WebKit. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2017-7090. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple tvOS up to 10.2.2 (Digital Media Player). It has been rated as problematic. Affected by this issue is an unknown code block of the component WebKit. 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.

The bug was discovered 09/12/2017. The weakness was disclosed 09/25/2017 by Masato Kinugawa with Apple as HT208113 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2017-7090 since 03/17/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. 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 permissions issue existed in the handling of web browser cookies. This issue was addressed by no longer returning cookies for custom URL schemes.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103419 (Apple TV < 11 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370577 (Apple iTunes for Windows Prior to 12.7 Multiple Vulnerabilities. (HT208141)).

Upgrading to version 11.0 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 (103419) and SecurityFocus (BID 100995†). The entries VDB-102678, VDB-107049, VDB-107050 and VDB-107051 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103419
Nessus Name: Apple TV < 11 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Security Updates(HT208142)
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: tvOS 11.0

Timelineinfo

03/17/2017 🔍
09/12/2017 +179 days 🔍
09/22/2017 +10 days 🔍
09/25/2017 +3 days 🔍
09/25/2017 +0 days 🔍
09/25/2017 +0 days 🔍
10/22/2017 +27 days 🔍
10/23/2017 +1 days 🔍
01/20/2021 +1185 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208113
Researcher: Masato Kinugawa
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7090 (🔍)
GCVE (CVE): GCVE-0-2017-7090
GCVE (VulDB): GCVE-100-108512
SecurityFocus: 100995 - WebKit Same Origin Policy Security Bypass And Memory Corruption Vulnerabilities
SecurityTracker: 1039384

See also: 🔍

Entryinfo

Created: 10/23/2017 11:54
Updated: 01/20/2021 12:29
Changes: 10/23/2017 11:54 (80), 11/29/2019 20:55 (6), 01/20/2021 12:29 (3)
Complete: 🔍
Cache ID: 216::103

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