Apple iOS up to 10.1 CoreText input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.1$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 10.1. It has been rated as problematic. This impacts an unknown function of the component CoreText. The manipulation leads to input validation. This vulnerability is traded as CVE-2016-7667. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS up to 10.1 (Smartphone Operating System). This issue affects an unknown function 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 10.2 is affected. macOS before 10.12.2 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service via a crafted string.

The bug was discovered 12/13/2016. The weakness was shared 02/20/2017 as HT207422 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-7667 since 09/09/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 09/02/2020). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 69 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version 10.2 eliminates this vulnerability.

The entries VDB-93760, VDB-94138, VDB-94129 and VDB-94130 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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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OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 10.2

Timelineinfo

09/09/2016 🔍
12/13/2016 +95 days 🔍
02/20/2017 +69 days 🔍
02/20/2017 +0 days 🔍
02/20/2017 +0 days 🔍
09/02/2020 +1290 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207422
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7667 (🔍)
GCVE (CVE): GCVE-0-2016-7667
GCVE (VulDB): GCVE-100-97139
OSVDB: - CVE-2016-7667 - Apple - Multiple Products - Denial of Service Issue

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

Entryinfo

Created: 02/20/2017 15:04
Updated: 09/02/2020 11:52
Changes: 02/20/2017 15:04 (67), 09/02/2020 11:52 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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