Apple iCloud up to 7.3 on Windows WebKit information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Apple iCloud up to 7.3 on Windows. Affected is an unknown function of the component WebKit. The manipulation results in information disclosure. This vulnerability was named CVE-2018-4117. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple iCloud up to 7.3 on Windows (Cloud Software). Affected is some unknown functionality of the component WebKit. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The bug was discovered 07/24/2018. The weakness was presented 03/29/2018 by Jeonghoon Shin (OSS-Fuzz) with Theori as HT208697 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2018-4117 since 01/02/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 cross-origin issue existed with the fetch API. This was addressed through improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 109468 (Ubuntu 16.04 LTS / 17.10 : webkit2gtk vulnerabilities (USN-3635-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171677 (SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2018:3387-1)).

Upgrading to version 7.4 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 (109468) and SecurityFocus (BID 102775†). See VDB-111120, VDB-111127, VDB-111128 and VDB-111129 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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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: 109468
Nessus Name: Ubuntu 16.04 LTS / 17.10 : webkit2gtk vulnerabilities (USN-3635-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53931
OpenVAS Name: Apple iCloud Security Updates(HT208697)-Windows
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: iCloud 7.4

Timelineinfo

01/02/2018 🔍
01/23/2018 +21 days 🔍
03/29/2018 +65 days 🔍
03/29/2018 +0 days 🔍
03/31/2018 +2 days 🔍
04/03/2018 +3 days 🔍
05/01/2018 +28 days 🔍
07/24/2018 +84 days 🔍
02/08/2021 +930 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208697
Researcher: Jeonghoon Shin (OSS-Fuzz)
Organization: Theori
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4117 (🔍)
GCVE (CVE): GCVE-0-2018-4117
GCVE (VulDB): GCVE-100-115488

OVAL: 🔍

SecurityFocus: 102775 - WebKit Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1040604

See also: 🔍

Entryinfo

Created: 03/31/2018 21:54
Updated: 02/08/2021 08:54
Changes: 03/31/2018 21:54 (70), 06/03/2020 14:47 (18), 02/08/2021 08:54 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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