Apple tvOS up to 13.3.1 WebKit cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple tvOS up to 13.3.1. Affected by this issue is some unknown functionality of the component WebKit. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2020-3902. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple tvOS up to 13.3.1 (Digital Media Player) and classified as problematic. Affected by this vulnerability is an unknown code of the component WebKit. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Processing maliciously crafted web content may lead to a cross site scripting attack.

The weakness was disclosed 03/24/2020 by Yiğit Can Yilmaz as HT211101 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2020-3902. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. The advisory points out:

An input validation issue was addressed with improved input validation.

Upgrading to version 13.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-152513, VDB-152514, VDB-152515 and VDB-152516 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

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

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: 🔍

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

Upgrade: tvOS 13.4

Timelineinfo

12/18/2019 🔍
03/24/2020 +97 days 🔍
03/24/2020 +0 days 🔍
04/02/2020 +9 days 🔍
10/06/2020 +187 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211101
Researcher: Yiğit Can Yilmaz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-3902 (🔍)
GCVE (CVE): GCVE-0-2020-3902
GCVE (VulDB): GCVE-100-152527
See also: 🔍

Entryinfo

Created: 04/02/2020 10:08
Updated: 10/06/2020 09:40
Changes: 04/02/2020 10:08 (46), 04/02/2020 10:13 (17), 10/06/2020 09:40 (2)
Complete: 🔍
Cache ID: 216::103

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