Apple Safari up to 13.0 Service Workers History information disclosure

A vulnerability was found in Apple Safari up to 13.0 (Web Browser) and classified as problematic. This issue affects an unknown functionality of the component Service Workers. The manipulation with an unknown input leads to a information disclosure vulnerability (History). Using CWE to declare the problem leads to CWE-200. Impacted is confidentiality.

The weakness was disclosed 09/26/2019 by Michael Thwaite with Connect Medi as HT210605 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2019-8725. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/27/2019). The advisory points out:

The issue was addressed with improved handling of service worker lifetime.

Upgrading to version 13.0.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The entry 142366 is pretty similar.

Type

Vendor

Name

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: ≈3.5
VulDB Temp Score: ≈3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Information disclosure / History (CWE-200)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

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

0-Day Time: 🔒

Upgrade: Safari 13.0.1

09/24/2019 Countermeasure disclosed
09/26/2019 +2 days Advisory disclosed
09/27/2019 +1 days VulDB entry created
09/27/2019 +0 days VulDB last updateVendor: apple.com

Advisory: HT210605
Researcher: Michael Thwaite
Organization: Connect Medi
Status: Confirmed

CVE: CVE-2019-8725 (🔒)
See also: 🔒

Created: 09/27/2019 07:41 AM
Complete: 🔍

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