Apple iOS up to 10.3.2 EventKitUI resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apple iOS up to 10.3.2. Affected is an unknown function of the component EventKitUI. Performing a manipulation results in resource consumption. This vulnerability was named CVE-2017-7007. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple iOS up to 10.3.2 (Smartphone Operating System). This affects some unknown processing of the component EventKitUI. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in certain Apple products. iOS before 10.3.3 is affected. The issue involves the "EventKitUI" component. It allows remote attackers to cause a denial of service (resource consumption and application crash).

The bug was discovered 07/19/2017. The weakness was presented 07/19/2017 with Tencent as HT207923 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-7007 since 03/17/2017. 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 attack technique deployed by this issue is T1499 according to MITRE ATT&CK. The advisory points out:

A resource exhaustion issue was addressed through improved input validation.

Upgrading to version 10.3.3 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 99891†). See VDB-104146, VDB-104147, VDB-104143 and VDB-104145 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Resource consumption
CWE: CWE-400 / CWE-404
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 10.3.3

Timelineinfo

03/17/2017 🔍
07/19/2017 +124 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
07/20/2017 +1 days 🔍
07/20/2017 +0 days 🔍
01/04/2021 +1264 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207923
Organization: Tencent
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7007 (🔍)
GCVE (CVE): GCVE-0-2017-7007
GCVE (VulDB): GCVE-100-104103
SecurityFocus: 99891 - Apple iOS APPLE-SA-2017-07-19-1 Multiple Security Vulnerabilities
SecurityTracker: 1038950

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

Entryinfo

Created: 07/20/2017 15:01
Updated: 01/04/2021 13:02
Changes: 07/20/2017 15:01 (66), 10/29/2019 14:45 (6), 01/04/2021 13:02 (2)
Complete: 🔍
Cache ID: 216:FA2:103

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

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