Apple tvOS up to 16.3.3 WebKit information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apple tvOS up to 16.3.3. Impacted is an unknown function of the component WebKit. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2023-27932. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple tvOS up to 16.3.3 (Digital Media Player). Affected by this issue is an unknown functionality of the component WebKit. The manipulation with an unknown input leads to a information disclosure vulnerability. 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. CVE summarizes:

This issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, tvOS 16.4, watchOS 9.4. Processing maliciously crafted web content may bypass Same Origin Policy.

The weakness was disclosed 03/27/2023 as HT213674 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2023-27932. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592. The advisory points out:

Processing maliciously crafted web content may bypass Same Origin Policy

Upgrading to version 16.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed with improved state management.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31658). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: tvOS 16.4

Timelineinfo

03/08/2023 🔍
03/27/2023 +18 days 🔍
03/27/2023 +0 days 🔍
03/29/2023 +2 days 🔍
11/28/2025 +975 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213674
Status: Confirmed

CVE: CVE-2023-27932 (🔍)
GCVE (CVE): GCVE-0-2023-27932
GCVE (VulDB): GCVE-100-224372
EUVD: 🔍

Entryinfo

Created: 03/29/2023 13:43
Updated: 11/28/2025 11:28
Changes: 03/29/2023 13:43 (17), 03/29/2023 13:47 (28), 04/19/2023 08:57 (1), 10/09/2024 16:39 (27), 01/30/2025 10:19 (11), 04/27/2025 15:08 (3), 11/28/2025 11:28 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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