Apple iOS up to 11.2.0 HomeKit state issue

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple iOS up to 11.2.0. The impacted element is an unknown function of the component HomeKit. This manipulation causes state issue. This vulnerability is handled as CVE-2017-13903. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple iOS up to 11.2.0 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is an unknown code of the component HomeKit. The manipulation with an unknown input leads to a state issue vulnerability. The CWE definition for the vulnerability is CWE-371. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 12/13/2017. The weakness was released 12/13/2017 by Tian Zhang as HT208357 as confirmed ht208357 (Website). The advisory is shared at support.apple.com. The public release was coordinated with Apple. This vulnerability is known as CVE-2017-13903 since 08/30/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 01/27/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A remote attacker may be able to unexpectedly alter application state

Upgrading to version 11.2.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 102182†), SecurityTracker (ID 1040008†) and Vulnerability Center (SBV-79280†). Additional details are provided at lists.apple.com. Entry connected to this vulnerability is available at VDB-110845. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

Video

Open Video | Show More Videos

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: State issue
CWE: CWE-371
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 11.2.1

Timelineinfo

08/30/2017 🔍
12/13/2017 +105 days 🔍
12/13/2017 +0 days 🔍
12/13/2017 +0 days 🔍
12/13/2017 +0 days 🔍
12/13/2017 +0 days 🔍
12/13/2017 +0 days 🔍
12/14/2017 +1 days 🔍
12/20/2017 +6 days 🔍
12/25/2017 +5 days 🔍
01/27/2021 +1129 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208357
Researcher: Tian Zhang
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2017-13903 (🔍)
GCVE (CVE): GCVE-0-2017-13903
GCVE (VulDB): GCVE-100-110821
SecurityFocus: 102182 - Apple iOS and tvOS CVE-2017-13903 Security Bypass Vulnerability
SecurityTracker: 1040008
Vulnerability Center: 79280 - Apple iOS <11.2.1 Remote Unspecified Vulnerability in HomeKit - CVE-2017-13903, Medium

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

Entryinfo

Created: 12/20/2017 09:50
Updated: 01/27/2021 14:15
Changes: 12/20/2017 09:50 (78), 12/16/2019 10:33 (5), 01/27/2021 14:15 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!