Apple macOS up to 10.14.4 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 marked as critical has been reported in Apple macOS up to 10.14.4. This affects an unknown part of the component WebKit. The manipulation leads to array index. This vulnerability is listed as CVE-2019-8587. 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 macOS up to 10.14.4 (Operating System). It has been rated as critical. This issue affects an unknown code of the component WebKit. The manipulation with an unknown input leads to a array index vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The bug was discovered 05/13/2019. The weakness was presented 05/13/2019 by G. Geshev with Zero Day Initiative as HT210119 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2019-8587 since 02/18/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371784 (Apple Safari Multiple Vulnerabilities (HT210123)).

Upgrading to version 10.14.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-134839, VDB-134840, VDB-134841 and VDB-134842 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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: macOS 10.14.5

Timelineinfo

02/18/2019 🔍
05/13/2019 +84 days 🔍
05/13/2019 +0 days 🔍
05/13/2019 +0 days 🔍
05/15/2019 +2 days 🔍
09/18/2023 +1587 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210119
Researcher: G. Geshev
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2019-8587 (🔍)
GCVE (CVE): GCVE-0-2019-8587
GCVE (VulDB): GCVE-100-134873
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 05/15/2019 08:56
Updated: 09/18/2023 13:27
Changes: 05/15/2019 08:56 (65), 06/11/2020 08:11 (3), 09/18/2023 13:27 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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