Apple Mac OS X up to 10.11.3 AppleUSBNetworking App memory corruption

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CTI Interest Score
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A vulnerability was found in Apple Mac OS X up to 10.11.3 (Operating System). It has been declared as critical. This vulnerability affects some unknown processing of the component AppleUSBNetworking. The manipulation with an unknown input leads to a memory corruption vulnerability (App). The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

AppleUSBNetworking in Apple iOS before 9.3 and OS X before 10.11.4 allows physically proximate attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted USB device.

The weakness was published 03/21/2016 as HT206167 as confirmed advisory (Website). The advisory is available at This vulnerability was named CVE-2016-1734 since 01/12/2016. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The advisory points out:

A memory corruption issue existed in the parsing of data from USB devices. This issue was addressed through improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 90096 (Mac OS X 10.11.x < 10.11.4 Multiple Vulnerabilities), 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 124842 (Apple Mac OS X v10.11.4 and Security Update 2016-002 Not Installed (APPLE-SA-2016-03-21-5)).

Upgrading to version 10.11.4 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 (90096).








CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
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NVD Base Score: 6.8
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Name: App
Class: Memory corruption / App
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 90096
Nessus Name: Mac OS X 10.11.x < 10.11.4 Multiple Vulnerabilities
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OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 March-2016
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Threat Intelligenceinfo

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Recommended: Upgrade
Status: 🔍

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Upgrade: Mac OS X 10.11.4


01/12/2016 🔍
03/21/2016 +68 days 🔍
03/21/2016 +0 days 🔍
03/21/2016 +0 days 🔍
03/22/2016 +1 days 🔍
03/23/2016 +0 days 🔍
07/11/2022 +2301 days 🔍



Advisory: HT206167
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1734 (🔍)
SecurityTracker: 1035353
SecurityFocus: 71820

scip Labs:


Created: 03/23/2016 12:10 PM
Updated: 07/11/2022 06:40 AM
Changes: 03/23/2016 12:10 PM (60), 09/08/2018 10:10 AM (20), 07/11/2022 06:40 AM (3)
Complete: 🔍
Cache ID: 44:F35:40


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