VDB-152615 · CVE-2020-3902 · HT211106

Apple iCloud up to 10.9.2 on Windows WebKit cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple iCloud up to 10.9.2 on Windows. Affected by this issue is some unknown functionality of the component WebKit. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2020-3902. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iCloud up to 10.9.2 on Windows (Cloud Software). This issue affects an unknown functionality of the component WebKit. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The weakness was published 03/25/2020 by Yiğit Can Yilmaz as HT211106 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2020-3902. The attack may be initiated remotely. No form of authentication is needed for a successful 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 advisory points out:

An input validation issue was addressed with improved input validation.

Upgrading to version 10.9.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at VDB-152527, VDB-152559, VDB-152583 and VDB-152602. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

Apple

Name

iCloud

Version

License

free

Website

Vendor: https://www.apple.com/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iCloud 10.9.3

Timelineinfo

12/18/2019 🔍
03/25/2020 +98 days 🔍
03/25/2020 +0 days 🔍
04/02/2020 +8 days 🔍
10/06/2020 +187 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211106
Researcher: Yiğit Can Yilmaz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-3902 (🔍)
GCVE (CVE): GCVE-0-2020-3902
GCVE (VulDB): GCVE-100-152615
See also: 🔍

Entryinfo

Created: 04/02/2020 12:03
Updated: 10/06/2020 17:18
Changes: 04/02/2020 12:03 (47), 04/02/2020 12:08 (16), 10/06/2020 17:18 (3)
Complete: 🔍
Cache ID: 216::103