Apple Safari up to 12.0 Safari Reader Universal 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 was found in Apple Safari up to 12.0. It has been rated as critical. Affected by this issue is some unknown functionality of the component Safari Reader. This manipulation causes cross site scripting (Universal). The identification of this vulnerability is CVE-2018-4374. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Safari up to 12.0 (Web Browser). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Safari Reader. The manipulation with an unknown input leads to a cross site scripting vulnerability (Universal). 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:

A logic issue was addressed with improved validation. This issue affected versions prior to iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

The bug was discovered 10/30/2018. The weakness was shared 10/29/2018 by Ryan Pickren as HT209196 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2018-4374 since 01/02/2018. 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:

A logic issue was addressed with improved validation.

The vulnerability scanner Nessus provides a plugin with the ID 118571 (macOS : Apple Safari < 12.0.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371294 (Apple iTunes for Windows Prior to 12.9.1 Multiple Vulnerabilities (HT209197)).

Upgrading to version 12.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118571). The entries VDB-126166, VDB-126170, VDB-126180 and VDB-126181 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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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

Name: Universal
Class: Cross site scripting / Universal
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: 118571
Nessus Name: macOS : Apple Safari < 12.0.1 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: 🔍

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

Upgrade: Safari 12.0.1

Timelineinfo

01/02/2018 🔍
10/29/2018 +300 days 🔍
10/29/2018 +0 days 🔍
10/30/2018 +0 days 🔍
10/31/2018 +1 days 🔍
10/31/2018 +0 days 🔍
04/08/2020 +525 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209196
Researcher: Ryan Pickren
Status: Confirmed

CVE: CVE-2018-4374 (🔍)
GCVE (CVE): GCVE-0-2018-4374
GCVE (VulDB): GCVE-100-126259
See also: 🔍

Entryinfo

Created: 10/31/2018 10:03
Updated: 04/08/2020 16:27
Changes: 10/31/2018 10:03 (69), 04/08/2020 16:27 (10)
Complete: 🔍
Cache ID: 216::103

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

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