Apple iOS up to 11.2 Safari input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 11.2. It has been rated as critical. This impacts an unknown function of the component Safari. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2018-4134. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iOS up to 11.2 (Smartphone Operating System). This affects an unknown function of the component Safari. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Safari" component. It allows remote attackers to spoof the user interface via a crafted web site.

The bug was discovered 03/29/2018. The weakness was released 03/29/2018 by Zhiyang Zeng (xisigr) with Tencent as HT208693 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2018-4134 since 01/02/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 pricing 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:

An inconsistent user interface issue was addressed with improved state management.

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†). Entries connected to this vulnerability are available at VDB-115299, VDB-115296, VDB-115297 and VDB-115298. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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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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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-2018-4134 (🔍)
GCVE (CVE): GCVE-0-2018-4134
GCVE (VulDB): GCVE-100-115311
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 17:16
Changes: 03/31/2018 19:27 (67), 01/18/2020 17:52 (7), 02/06/2021 17:16 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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