Apple macOS up to 10.14.5 WebKit memory corruption

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.14.5 (Operating System). This affects an unknown part 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 presented 07/22/2019 with Google Project Zero as HT210348 as confirmed advisory (Website). It is possible to read the advisory 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/24/2019). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

Upgrading to version 10.14.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See 138559, 138560, 138561 and 138562 for similar entries.

Type

• Operating System

Vendor

• Apple

Name

• macOS

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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: macOS 10.14.6

07/22/2019 Advisory disclosed
07/22/2019 +0 days Countermeasure disclosed
07/24/2019 +2 days VulDB entry created
07/24/2019 +0 days VulDB last updateVendor: apple.com

Advisory: HT210348
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-8689 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔒

Created: 07/24/2019 03:18 PM
Complete: 🔍

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