Apple iOS up to 11.3.1 Safari input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$5k-$25k0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple iOS up to 11.3.1. This impacts an unknown function of the component Safari. The manipulation results in input validation. This vulnerability is identified as CVE-2018-4247. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple iOS up to 11.3.1 (Smartphone Operating System). Affected is 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 availability.

The bug was discovered 06/01/2018. The weakness was released 05/29/2018 with Verizon as HT208848 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2018-4247 since 01/02/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 advisory points out:

A denial of service issue was addressed with improved validation.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 370986 (Apple Safari 11.1.1 Not Installed (APPLE-SA-2018-06-01-2)).

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 SecurityFocus (BID 104366†). Entries connected to this vulnerability are available at VDB-118648, VDB-118652, VDB-118657 and VDB-118659. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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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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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 🔍
06/01/2018 +0 days 🔍
06/03/2018 +2 days 🔍
06/08/2018 +4 days 🔍
03/21/2023 +1747 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208848
Organization: Verizon
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4247 (🔍)
GCVE (CVE): GCVE-0-2018-4247
GCVE (VulDB): GCVE-100-118776
SecurityFocus: 104366 - Apple iOS and Safari CVE-2018-4247 Remote Denial of Service Vulnerability
SecurityTracker: 1041029

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

Entryinfo

Created: 06/03/2018 14:55
Updated: 03/21/2023 07:13
Changes: 06/03/2018 14:55 (71), 02/12/2020 21:01 (5), 03/21/2023 07:13 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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