Apple macOS up to 10.13.6 LinkPresentation input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.13.6. It has been rated as critical. The impacted element is an unknown function of the component LinkPresentation. This manipulation causes input validation. This vulnerability is handled as CVE-2018-4277. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Apple macOS up to 10.13.6 (Operating System). Affected by this vulnerability is an unknown function of the component LinkPresentation. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect 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 released 07/09/2018 by Colin Percival with Tencent as HT208937 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2018-4277 since 01/02/2018. The exploitation appears to be easy. 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 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 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†). Entries connected to this vulnerability are available at VDB-112694, VDB-118751, VDB-120959 and VDB-120973. 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: 7.0
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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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: 🔍

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: HT208937
Researcher: Colin Percival
Organization: Tencent
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4277 (🔍)
GCVE (CVE): GCVE-0-2018-4277
GCVE (VulDB): GCVE-100-121051
SecurityFocus: 104460 - Intel Core Microprocessors CVE-2018-3665 Information Disclosure Vulnerability
SecurityTracker: 1041232

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 07/10/2018 14:32
Updated: 04/05/2023 14:08
Changes: 07/10/2018 14:32 (78), 03/01/2020 09:29 (6), 04/05/2023 14:08 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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