Apple iOS up to 11.3.1 Mail cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apple iOS up to 11.3.1. Impacted is an unknown function of the component Mail. Such manipulation leads to cryptographic issue. This vulnerability is uniquely identified as CVE-2018-4227. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS up to 11.3.1 (Smartphone Operating System). It has been rated as critical. Affected by this issue is an unknown part of the component Mail. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality.

The bug was discovered 05/29/2018. The weakness was disclosed 05/29/2018 by Juraj Somorovsky (Basti) as HT208848 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2018-4227 since 01/02/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600. The advisory points out:

An issue existed in the handling of encrypted Mail. This issue was addressed with improved isolation of MIME in Mail.

The vulnerability scanner Nessus provides a plugin with the ID 110324 (macOS 10.13.x < 10.13.5 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 370985 (Apple macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan Not Installed).

Upgrading to version 11.4 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 (110324) and SecurityFocus (BID 104897†). The entries VDB-118642, VDB-118643, VDB-118645 and VDB-118647 are pretty similar. Once again VulDB remains the best 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: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
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: 110324
Nessus Name: macOS 10.13.x < 10.13.5 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: iOS 11.4

Timelineinfo

01/02/2018 🔍
05/29/2018 +147 days 🔍
05/29/2018 +0 days 🔍
05/29/2018 +0 days 🔍
06/03/2018 +5 days 🔍
06/05/2018 +2 days 🔍
06/08/2018 +2 days 🔍
07/23/2018 +45 days 🔍
07/25/2024 +2194 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208848
Researcher: Juraj Somorovsky (Basti)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4227 (🔍)
GCVE (CVE): GCVE-0-2018-4227
GCVE (VulDB): GCVE-100-118772
SecurityFocus: 104897 - Apple iOS and macOS Multiple Security Vulnerabilities
SecurityTracker: 1041027

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

Entryinfo

Created: 06/03/2018 14:55
Updated: 07/25/2024 21:27
Changes: 06/03/2018 14:55 (76), 02/12/2020 20:43 (6), 03/21/2023 06:15 (5), 07/25/2024 21:27 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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