Apple iOS up to 11.2 iCloud Drive race condition

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

Summaryinfo

A vulnerability classified as critical has been found in Apple iOS up to 11.2. Affected by this issue is some unknown functionality of the component iCloud Drive. This manipulation causes race condition. This vulnerability appears as CVE-2018-4151. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple iOS up to 11.2 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is some unknown processing of the component iCloud Drive. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 03/29/2018. The weakness was presented 03/29/2018 as HT208693 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2018-4151 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 advisory points out:

A race condition was addressed with additional validation.

The vulnerability scanner Nessus provides a plugin with the ID 108786 (macOS 10.13.x < 10.13.4 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 c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370851 (Apple macOS High Sierra 10.13.4, Security Update 2018-002 Sierra, and Security Update 2018-002 El Capitan Not Installed).

Upgrading to version 11.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108786) and SecurityFocus (BID 103581†). See VDB-115299, VDB-115296, VDB-115297 and VDB-115298 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 108786
Nessus Name: macOS 10.13.x < 10.13.4 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 866454
OpenVAS Name: Apple MacOSX Security Updates(HT208692)-02
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 11.3

Timelineinfo

01/02/2018 🔍
03/29/2018 +86 days 🔍
03/29/2018 +0 days 🔍
03/29/2018 +0 days 🔍
03/29/2018 +0 days 🔍
03/31/2018 +2 days 🔍
04/02/2018 +2 days 🔍
04/03/2018 +1 days 🔍
02/06/2021 +1040 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208693
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4151 (🔍)
GCVE (CVE): GCVE-0-2018-4151
GCVE (VulDB): GCVE-100-115303
SecurityFocus: 103581 - Apple iOS and macOS Multiple Security Vulnerabilities
SecurityTracker: 1040604

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 03/31/2018 19:25
Updated: 02/06/2021 16:37
Changes: 03/31/2018 19:25 (79), 01/18/2020 17:07 (5), 02/06/2021 16:37 (4)
Complete: 🔍
Cache ID: 216::103

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