Apple watchOS up to 2.x Security input validation

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.
7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple watchOS up to 2.x. This affects an unknown function of the component Security. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2016-4753. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple watchOS up to 2.x (Smartwatch Operating System). It has been declared as critical. This vulnerability affects some unknown functionality of the component Security. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 mishandle signed disk images, which allows attackers to execute arbitrary code in a privileged context via a crafted app.

The weakness was disclosed 09/20/2016 by Mark Mentovai with Google Inc. as HT207141 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2016-4753 since 05/11/2016. The exploitation appears to be easy. Local access is required to approach this attack. A single authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The advisory points out:

A validation issue existed in signed disk images. This issue was addressed through improved size validation.

The vulnerability scanner Nessus provides a plugin with the ID 93776 (Apple TV < 10 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 3 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 Tenable (93776) and SecurityFocus (BID 93059†). The entries VDB-91603, VDB-91618, VDB-91993 and VDB-91997 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 93776
Nessus Name: Apple TV < 10 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 September-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 3

Timelineinfo

05/11/2016 🔍
09/20/2016 +132 days 🔍
09/20/2016 +0 days 🔍
09/20/2016 +0 days 🔍
09/25/2016 +5 days 🔍
09/26/2016 +1 days 🔍
09/28/2016 +2 days 🔍
09/21/2022 +2184 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207141
Researcher: Mark Mentovai
Organization: Google Inc.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4753 (🔍)
GCVE (CVE): GCVE-0-2016-4753
GCVE (VulDB): GCVE-100-92122
SecurityFocus: 93059 - Apple iOS/tvOS/MacOS/watchOS CVE-2016-4753 Arbitray Code Execution Vulnerability
SecurityTracker: 1036858

See also: 🔍

Entryinfo

Created: 09/26/2016 11:59
Updated: 09/21/2022 09:07
Changes: 09/26/2016 11:59 (71), 04/26/2019 09:30 (12), 09/21/2022 09:07 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!