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

A vulnerability classified as critical has been found in Apple iCloud up to 7.12/10.5 on Windows (Cloud Software). This affects an unknown code block 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 disclosed 07/23/2019 with Google Project Zero as HT210357/HT210358 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2019-8689. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around 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 138559, 138603, 138625 and 138658 are pretty similar.

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
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-8689 (🔒)
See also: 🔒

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

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