Apple iOS up to 11.0.3 Messages information disclosure

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.
3.2$0-$5k0.00

A vulnerability was found in Apple iOS up to 11.0.3 (Smartphone Operating System). It has been classified as problematic. This affects an unknown part of the component Messages. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in certain Apple products. iOS before 11.1 is affected. The issue involves the "Messages" component. It allows physically proximate attackers to view arbitrary photos via a Reply With Message action in the lock-screen state.

The bug was discovered 10/31/2017. The weakness was disclosed 10/31/2017 by Miguel Alvarado as HT208222 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2017-13844 since 08/30/2017. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue. The advisory points out:

A lock screen issue allowed access to photos via Reply With Message on a locked device. This issue was addressed with improved state management.

The vulnerability scanner Nessus provides a plugin with the ID 105080 (macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370677 (Apple macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan Not Installed).

Upgrading to version 11.1 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 Tenable (105080). The entries 106777, 107566, 108975 and 109075 are pretty similar.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.4
VulDB Meta Temp Score: 3.3

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

NVD Base Score: 2.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 105080
Nessus Name: macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64745
OpenVAS Name: Apple MacOSX Security Updates(HT208331)-02
OpenVAS File: 🔍
OpenVAS Family: 🔍

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 11.1

Timelineinfo

08/30/2017 🔍
10/31/2017 +62 days 🔍
10/31/2017 +0 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
11/12/2017 +9 days 🔍
11/29/2017 +17 days 🔍
12/07/2017 +8 days 🔍
01/22/2021 +1142 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208222
Researcher: Miguel Alvarado
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13844 (🔍)
SecurityTracker: 1039703
SecurityFocus: 101981 - Apple macOS CVE-2017-13872 Authentication Bypass Vulnerability

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

Entryinfo

Created: 11/03/2017 15:39
Updated: 01/22/2021 17:53
Changes: 11/03/2017 15:39 (73), 12/04/2019 08:21 (13), 01/22/2021 17:53 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!