Apple iOS up to 11.3.1 WebKit credentials management

CVSS Meta Temp Score
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CTI Interest Score
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6.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 11.3.1. It has been declared as problematic. The impacted element is an unknown function of the component WebKit. Such manipulation leads to credentials management. This vulnerability is documented as CVE-2018-4190. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 11.3.1 (Smartphone Operating System) and classified as problematic. Affected by this issue is some unknown processing of the component WebKit. The manipulation with an unknown input leads to a credentials management vulnerability. Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality.

The bug was discovered 06/01/2018. The weakness was released 05/29/2018 as HT208848 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2018-4190 since 01/02/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 03/21/2023). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1552. The advisory points out:

Credentials were unexpectedly sent when fetching CSS mask images. This was addressed by using a CORS-enabled fetch method.

The vulnerability scanner Nessus provides a plugin with the ID 110384 (Apple iTunes < 12.7.5 Multiple Vulnerabilities (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370984 (Apple iCloud for Windows Prior to 7.5 Multiple Vulnerabilities(HT208853)).

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 vulnerability database at Tenable (110384). Entries connected to this vulnerability are available at VDB-118648, VDB-118652, VDB-118657 and VDB-118659. 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: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
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: 110384
Nessus Name: Apple iTunes < 12.7.5 Multiple Vulnerabilities (credentialed check)
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 🔍
06/01/2018 +3 days 🔍
06/03/2018 +2 days 🔍
06/06/2018 +3 days 🔍
06/08/2018 +1 days 🔍
03/21/2023 +1747 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208848
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4190 (🔍)
GCVE (CVE): GCVE-0-2018-4190
GCVE (VulDB): GCVE-100-118796
SecurityFocus: 103961
SecurityTracker: 1041029

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

Entryinfo

Created: 06/03/2018 14:56
Updated: 03/21/2023 08:55
Changes: 06/03/2018 14:56 (76), 02/13/2020 08:43 (3), 03/21/2023 08:51 (5), 03/21/2023 08:55 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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