Apple iCloud up to 7.12/10.5 on Windows WebKit memory corruption

A vulnerability was found in Apple iCloud up to 7.12/10.5 on Windows (Cloud Software). It has been classified as critical. Affected is some unknown functionality of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 07/23/2019 by G. Geshev with Zero Day Initiative as HT210357/HT210358 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2019-8686. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/24/2019). The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

Upgrading to version 7.13 or 10.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 138600, 138622, 138655 and 138692 are related to this item.

Type

• Cloud Software

Vendor

• Apple

Name

• iCloud

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VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption (CWE-119)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: iCloud 7.13/10.6

07/23/2019 Advisory disclosed
07/23/2019 +0 days Countermeasure disclosed
07/24/2019 +1 days VulDB entry created
07/24/2019 +0 days VulDB last updateVendor: apple.com

Advisory: HT210357/HT210358
Researcher: G. Geshev
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2019-8686 (🔒)
See also: 🔒

Created: 07/24/2019 09:56 PM
Complete: 🔍

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