Apple iCloud up to 7.11 on Windows WebKit array index

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iCloud up to 7.11 on Windows. It has been declared as critical. This affects an unknown function of the component WebKit. The manipulation results in array index. This vulnerability is reported as CVE-2019-8587. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple iCloud up to 7.11 on Windows (Cloud Software). Affected is some unknown processing of the component WebKit. The manipulation with an unknown input leads to a array index vulnerability. CWE is classifying the issue as CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 05/13/2019. The weakness was disclosed 05/28/2019 by G. Geshev with Zero Day Initiative as HT210125 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2019-8587 since 02/18/2019. 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 advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371784 (Apple Safari Multiple Vulnerabilities (HT210123)).

Upgrading to version 7.12 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-134869, VDB-134870, VDB-134871 and VDB-134872 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Array index
CWE: CWE-129 / CWE-119
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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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 7.12

Timelineinfo

02/18/2019 🔍
05/13/2019 +84 days 🔍
05/28/2019 +15 days 🔍
05/28/2019 +0 days 🔍
06/02/2019 +5 days 🔍
09/25/2023 +1576 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210125
Researcher: G. Geshev
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2019-8587 (🔍)
GCVE (CVE): GCVE-0-2019-8587
GCVE (VulDB): GCVE-100-135792
See also: 🔍

Entryinfo

Created: 06/02/2019 18:11
Updated: 09/25/2023 16:10
Changes: 06/02/2019 18:11 (66), 06/18/2020 09:59 (3), 09/25/2023 16:10 (4)
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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