Apple iOS up to 11.2 SafariViewController input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple iOS up to 11.2. Affected by this vulnerability is an unknown functionality of the component SafariViewController. The manipulation leads to input validation. This vulnerability is listed as CVE-2018-4149. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 11.2 (Smartphone Operating System) and classified as critical. This issue affects some unknown functionality of the component SafariViewController. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability.

The bug was discovered 03/29/2018. The weakness was presented 03/29/2018 by Zhiyang Zeng (xisigr) with Tencent as HT208693 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2018-4149 since 01/02/2018. 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. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/06/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A state management issue was addressed by disabling text input until the destination page loads.

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 vulnerability database at SecurityFocus (BID 103578†). See VDB-115299, VDB-115296, VDB-115297 and VDB-115298 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
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: Input validation
CWE: CWE-20
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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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 🔍
04/03/2018 +3 days 🔍
02/06/2021 +1040 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208693
Researcher: Zhiyang Zeng (xisigr)
Organization: Tencent
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4149 (🔍)
GCVE (CVE): GCVE-0-2018-4149
GCVE (VulDB): GCVE-100-115313
SecurityFocus: 103578 - Apple iOS APPLE-SA-2018-3-29-1 Multiple Security Vulnerabilities
SecurityTracker: 1040604

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

Entryinfo

Created: 03/31/2018 19:27
Updated: 02/06/2021 17:25
Changes: 03/31/2018 19:27 (65), 01/18/2020 19:05 (8), 02/06/2021 17:25 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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