Apple tvOS up to 11.4.1 URL cross site scripting

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

Summaryinfo

A vulnerability identified as problematic has been detected in Apple tvOS up to 11.4.1. This affects an unknown function of the component URL Handler. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2018-4309. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 11.4.1 (Digital Media Player). It has been classified as problematic. This affects some unknown functionality of the component URL Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

The bug was discovered 09/12/2018. The weakness was published 04/03/2019. This vulnerability is uniquely identified as CVE-2018-4309 since 01/02/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 vulnerability was handled as a non-public zero-day exploit for at least 81 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119323 (GLSA-201812-04 : WebkitGTK+: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197266 (Ubuntu Security Notification for Webkit2gtk Vulnerabilities (USN-3781-1)).

Upgrading to version 12.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119323). Similar entries are available at VDB-129059, VDB-129108, VDB-129109 and VDB-129110. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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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Nessus ID: 119323
Nessus Name: GLSA-201812-04 : WebkitGTK+: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: tvOS 12.0

Timelineinfo

01/02/2018 🔍
09/12/2018 +253 days 🔍
12/02/2018 +81 days 🔍
12/03/2018 +1 days 🔍
04/03/2019 +121 days 🔍
04/04/2019 +1 days 🔍
08/22/2023 +1601 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2018-4309 (🔍)
GCVE (CVE): GCVE-0-2018-4309
GCVE (VulDB): GCVE-100-132855
See also: 🔍

Entryinfo

Created: 04/04/2019 09:11
Updated: 08/22/2023 12:21
Changes: 04/04/2019 09:11 (70), 05/24/2020 11:57 (1), 08/22/2023 12:21 (4)
Complete: 🔍
Cache ID: 216::103

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