Apple iOS up to 10.3.1 CoreText input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.7$5k-$25k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple iOS up to 10.3.1. This impacts an unknown function of the component CoreText. The manipulation leads to input validation. This vulnerability is listed as CVE-2017-7003. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS up to 10.3.1 (Smartphone Operating System). This issue affects an unknown code of the component CoreText. 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 availability. The summary by CVE is:

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. macOS before 10.12.5 is affected. tvOS before 10.2.1 is affected. watchOS before 3.2.2 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (application crash) via a crafted file.

The bug was discovered 06/07/2017. The weakness was presented 04/03/2018 by lokihardt with Google Project Zero (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2017-7003 since 03/17/2017. 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 02/08/2021). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 100256 (Apple TV < 10.2.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.

Upgrading to version 10.3.2 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100256) and SecurityFocus (BID 98454†). See VDB-101294, VDB-101254, VDB-101255 and VDB-101256 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 5.5
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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100256
Nessus Name: Apple TV < 10.2.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 10.3.2

Timelineinfo

03/17/2017 🔍
05/15/2017 +59 days 🔍
05/15/2017 +0 days 🔍
05/17/2017 +2 days 🔍
06/07/2017 +21 days 🔍
04/03/2018 +299 days 🔍
04/03/2018 +0 days 🔍
04/03/2018 +0 days 🔍
02/08/2021 +1042 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Researcher: lokihardt (lokihardt)
Organization: Google Project Zero
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7003 (🔍)
GCVE (CVE): GCVE-0-2017-7003
GCVE (VulDB): GCVE-100-115553
SecurityFocus: 98454 - WebKit CVE-2017-6984 Unspecified Memory Corruption Vulnerability

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

Entryinfo

Created: 04/03/2018 14:32
Updated: 02/08/2021 10:10
Changes: 04/03/2018 14:32 (70), 01/20/2020 15:14 (6), 02/08/2021 10:10 (3)
Complete: 🔍
Cache ID: 216::103

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

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