Apple tvOS up to 15.3 WebKit cross-domain policy

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple tvOS up to 15.3. Impacted is an unknown function of the component WebKit. The manipulation leads to cross-domain policy. This vulnerability is referenced as CVE-2022-22637. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 15.3 (Digital Media Player) and classified as critical. This issue affects an unknown functionality of the component WebKit. The manipulation with an unknown input leads to a cross-domain policy vulnerability. Using CWE to declare the problem leads to CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.3, Safari 15.4, watchOS 8.5, iOS 15.4 and iPadOS 15.4, tvOS 15.4. A malicious website may cause unexpected cross-origin behavior.

The weakness was published 03/14/2022 by Tom McKee as HT213186 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2022-22637. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A malicious website may cause unexpected cross-origin behavior

The vulnerability scanner Nessus provides a plugin with the ID 257998 (Linux Distros Unpatched Vulnerability : CVE-2022-22637), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 15.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A logic issue was addressed with improved state management.

The vulnerability is also documented in the databases at Tenable (257998) and EUVD (EUVD-2022-27782). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross-domain policy
CWE: CWE-942 / CWE-346 / CWE-345
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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Nessus ID: 257998
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-22637

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 15.4

Timelineinfo

01/05/2022 🔍
03/14/2022 +68 days 🔍
03/14/2022 +0 days 🔍
03/15/2022 +1 days 🔍
08/28/2025 +1262 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213186
Researcher: Tom McKee
Status: Confirmed

CVE: CVE-2022-22637 (🔍)
GCVE (CVE): GCVE-0-2022-22637
GCVE (VulDB): GCVE-100-195035
EUVD: 🔍

Entryinfo

Created: 03/15/2022 09:57
Updated: 08/28/2025 18:59
Changes: 03/15/2022 09:57 (18), 03/15/2022 10:00 (28), 03/17/2022 14:11 (1), 05/22/2025 19:49 (15), 05/23/2025 03:15 (13), 08/28/2025 18:59 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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