Apple iCloud up to 7.10 on Windows Windows Installer race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability classified as problematic has been found in Apple iCloud up to 7.10 on Windows (Cloud Software). This affects an unknown code block of the component Windows Installer. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A race condition existed during the installation of iCloud for Windows. This was addressed with improved state handling. This issue is fixed in iCloud for Windows 7.11. Running the iCloud installer in an untrusted directory may result in arbitrary code execution.

The bug was discovered 03/25/2019. The weakness was disclosed 03/25/2019 by Stefan Kanthak as HT209605 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2019-6236 since 01/11/2019. An attack has to be approached locally. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

A race condition existed during the installation of iCloud for Windows. This was addressed with improved state handling.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371708 (Apple iCloud for Windows Prior to 7.11 Multiple Vulnerabilities(HT209605)).

Upgrading to version 7.11 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-132398, VDB-132399, VDB-132400 and VDB-132401 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iCloud 7.11

Timelineinfo

01/11/2019 🔍
03/25/2019 +73 days 🔍
03/25/2019 +0 days 🔍
03/25/2019 +0 days 🔍
03/26/2019 +1 days 🔍
06/13/2024 +1906 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209605
Researcher: Stefan Kanthak
Status: Confirmed

CVE: CVE-2019-6236 (🔍)
See also: 🔍

Entryinfo

Created: 03/26/2019 03:50 PM
Updated: 06/13/2024 03:56 AM
Changes: 03/26/2019 03:50 PM (63), 05/21/2020 02:46 PM (3), 06/13/2024 03:56 AM (19)
Complete: 🔍
Cache ID: 44:CA9:40

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