Apple tvOS up to 11.4.0 LinkPresentation input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple tvOS up to 11.4.0. This affects an unknown part of the component LinkPresentation. The manipulation leads to input validation. This vulnerability is listed as CVE-2018-4277. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 11.4.0 (Digital Media Player). It has been rated as critical. This issue affects an unknown code of the component LinkPresentation. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, and integrity. The summary by CVE is:

In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation.

The bug was discovered 07/09/2018. The weakness was presented 07/09/2018 by Colin Percival with Tencent as HT208936 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2018-4277 since 01/02/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The advisory points out:

A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 111110 (Apple TV < 11.4.1 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 371061 (Apple macOS High Sierra 10.13.6, Security Update 2018-004 Sierra, Security Update 2018-004 El Capitan Not Installed (HT208937)).

Upgrading to version 11.4.1 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 (111110) and SecurityFocus (BID 104460†). See VDB-112694, VDB-118751, VDB-120959 and VDB-120973 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 111110
Nessus Name: Apple TV < 11.4.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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 11.4.1

Timelineinfo

01/02/2018 🔍
06/13/2018 +162 days 🔍
07/09/2018 +26 days 🔍
07/09/2018 +0 days 🔍
07/09/2018 +0 days 🔍
07/10/2018 +1 days 🔍
07/16/2018 +6 days 🔍
01/11/2019 +179 days 🔍
04/05/2023 +1545 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208936
Researcher: Colin Percival
Organization: Tencent
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4277 (🔍)
GCVE (CVE): GCVE-0-2018-4277
GCVE (VulDB): GCVE-100-121013
SecurityFocus: 104460 - Intel Core Microprocessors CVE-2018-3665 Information Disclosure Vulnerability
SecurityTracker: 1041232

See also: 🔍

Entryinfo

Created: 07/10/2018 14:26
Updated: 04/05/2023 13:24
Changes: 07/10/2018 14:26 (54), 03/01/2020 07:17 (21), 04/05/2023 13:24 (3)
Complete: 🔍
Cache ID: 216::103

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