Apple Safari up to 13.0 Service Workers History information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple Safari up to 13.0. Impacted is an unknown function of the component Service Workers. The manipulation leads to information disclosure (History). This vulnerability is uniquely identified as CVE-2019-8725. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

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. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

The issue was addressed with improved handling of service worker lifetime. This issue is fixed in Safari 13.0.1. Service workers may leak private browsing history.

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 since 02/18/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. 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 VDB-142366 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: History
Class: Information disclosure / History
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Safari 13.0.1

Timelineinfo

02/18/2019 🔍
09/24/2019 +218 days 🔍
09/26/2019 +2 days 🔍
09/27/2019 +1 days 🔍
09/09/2020 +348 days 🔍

Sourcesinfo

Vendor: apple.com

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

CVE: CVE-2019-8725 (🔍)
GCVE (CVE): GCVE-0-2019-8725
GCVE (VulDB): GCVE-100-142367
See also: 🔍

Entryinfo

Created: 09/27/2019 07:41
Updated: 09/09/2020 20:34
Changes: 09/27/2019 07:41 (66), 09/09/2020 20:34 (1)
Complete: 🔍
Cache ID: 216::103

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