The extension APIs in the kernel in Apple iOS before 8.1.3, Apple OS X before 10.10.2, and Apple TV before 7.0.3 do not prevent the presence of addresses within an OSBundleMachOHeaders key in a response, which makes it easier for attackers to bypass the ASLR protection mechanism via a crafted app.

The remote host is running a version of Mac OS X 10.10.x that is prior to version 10.10.2. Mac OS X 10.10.2 contains the following security-related fixes :

  - The IOHIDFamily allows attackers to execute arbitrary code in a kernel context. (CVE-2014-8822, CVE-2014-4487)
 - The LaunchServices module does not properly handle file-type metadata.  This can allow an attacker to bypass the Gatekeeper protection via a crafted JAR archive. (CVE-2014-8826)
 - There are unspecified vulnerabilities in the Intel Graphics driver. (CVE-2014-8819, CVE-2014-8820, CVE-2014-8821)
 - There is a data leak vulnerability in the LoginWindow component. (CVE-2014-8827)
 - There is a data leak vulnerability with the Spotlight Mail component. (CVE-2014-8839)
 - The SceneKit component is vulnerable to a heap-based buffer overflow. (CVE-2014-8830)
 - The App Store process in CommerceKit Framework is vulnerable to a local information leak. (CVE-2014-4499)
 - The indexing functionality in Spotlight is vulnerable to a sensitive data leak. (CVE-2014-8832, CVE-2014-8833)
 - The security_taskgate Bluetooth driver is vulnerable to an unspecified vulnerability. (CVE-2014-8831)
 - The Bluetooth driver is vulnerable to a remote code execution vulnerability. (CVE-2014-8836)
 - There are multiple unspecified vulnerabilities in the Bluetooth driver. (CVE-2014-8837, CVE-2014-4497)
 - The UserAccountUpdater component is vulnerable to a local data leak. (CVE-2014-8834)
 - There is a buffer overflow vulnerability in the xpc_data_get_bytes function in libxpc. (CVE-2014-8835)
 - The SceneKit component is vulnerable to an arbitrary code execution vulnerability. (CVE-2014-8829)
 - The CPU Software allows a local, physical, firmware attack. (CVE-2014-4498)
 - The IOUSBControllerUserClient::ReadRegister function in the IOUSB controller of IOUSBFamily is vulnerable to a data leak. (CVE-2014-8823)
 - The kernel does not properly validate IODataQueue object metadata fields. (CVE-2014-8824)
 - The kernel does not properly perform identitysvc validation. (CVE-2014-8825)
 - The Coresymbolicationd component in CoreSymbolication does not verify data types. (CVE-2014-8817)
 - There is an integer overflow in the CoreGraphics component which can lead to remote code execution. (CVE-2014-4481)
 - There is a buffer overflow in the FontParser component which may allow remote code execution. (CVE-2014-4483)
 - The FontParser does not properly validate crafted .dfont files which can lead to remote code execution. (CVE-2014-4484)
 - There is a buffer overflow in the XML parser in Foundation. (CVE-2014-4485)
 - The IOAcceleratorFamily does not properly handle certain types and can lead to a NULL pointer dereference. (CVE-2014-4486)
 - The IOHIDFamily does not properly validate resource-queue metadata, potentially allowing remote code execution. (CVE-2014-4488)
 - The IOHIDFamily fails to properly sanitize event queues.  This can lead to remote code execution. (CVE-2014-4489)
 - The Kernel extension API is vulnerable to a bypass of the ASLR protection mechanism. (CVE-2014-4491)
 - The kernel does not enforce read-only attributes which can allow attackers to bypass access restrictions. (CVE-2014-4495)
 - The libnetcore module fails to verify certain data types which can allow remote code execution in the _networkd context. (CVE-2014-4492)

According to its banner, the remote Apple TV device is missing a security update.  It is, therefore, affected by the following vulnerabilities :

 - Apple TV is bundled with Apple WebKit.  Apple WebKit is affected by several vulnerabilities which would allow a remote attacker to execute arbitrary code or crash the application. (CVE-2014-4476, CVE-2014-4477, CVE-2014-4459, CVE-2014-4479)
 - There is a directory-traversal flaw in the 'afc' component which can allow an attacker to access unintended files. (CVE-2014-4480)
 - There is a flaw in the 'mach_port_kobject' kernel interface which can allow an attacker to bypass the ASLR protection mechanism. (CVE-2014-4491, CVE-2014-4496)
 - There is an integer overflow in CoreGraphics which allows remote code execution. (CVE-2014-4481)
 - There is a buffer overflow in FontParser which allows remote code execution. (CVE-2014-4483)
 - There is a flaw in the way that FontParser handles crafted .dfont file which can lead to remote code execution. (CVE-2014-4484)
 - There is a buffer overflow in the XML parser portion of the Foundation component. (CVE-2014-4485)
 - The IOAcceleratorFamily invalidly handles certain types which can lead to a NULL pointer dereference. (CVE-2014-4486)
 - There is a buffer overflow in the IOHIDFamily component. (CVE-2014-4487)
 - The IOHIDFamily does not properly validate resource-queue metadata, allowing remote code execution. (CVE-2014-4488)
 - The IOHIDFamily fails to properly sanitize event queues.  This can lead to remote code execution. (CVE-2014-4489)
 - The kernel does not enforce read-only attributes which can allow attackers to bypass access restrictions. (CVE-2014-4495)
 - The libnetcore module fails to verify certain data types which can allow remote code execution in the _networkd context. (CVE-2014-4492)

According to its banner, the remote Apple iOS device is missing a security update.  It is, therefore, affected by the following vulnerabilities :

 - Apple iOS is bundled with Apple WebKit.  Apple WebKit is affected by several vulnerabilities which would allow a remote attacker to execute arbitrary code or crash the application. (CVE-2014-4476, CVE-2014-4477, CVE-2014-4479, CVE-2014-4459, CVE-2014-4467)
 - There is a directory-traversal flaw in the 'afc' component which can allow an attacker to access unintended files. (CVE-2014-4480)
 - There is a flaw in the 'mach_port_kobject' kernel interface which can allow an attacker to bypass the ASLR protection mechanism. (CVE-2014-4491, CVE-2014-4496)
 - The 'iTunes Store' component allows attackers to bypass Safari sandbox protection mechanisms. (CVE-2014-8840)
 - The app-installation functionality in 'MobileInstallation' is vulnerable to a flaw which would allow attackers to gain control of the local app container. (CVE-2014-4493)
 - The 'Springboard' module is vulnerable to a signature-bypass vulnerability. (CVE-2014-4494)
 - There is an integer overflow in CoreGraphics which allows remote code execution. (CVE-2014-4481)
 - There is a buffer overflow in FontParser which allows remote code execution. (CVE-2014-4483)
 - There is a flaw in the way that FontParser handles crafted .dfont files which leads to remote code execution. (CVE-2014-4484)
 - There is a buffer overflow in the XML parser in the Foundation component. (CVE-2014-4485)
 - The IOAcceleratorFamily does not properly handle certain data types which can lead to a NULL pointer dereference. (CVE-2014-4486)
 - There is a buffer overflow in the IOHIDFamily component. (CVE-2014-4487)
 - The IOHIDFamily component does not properly validate resource-queue metadata, allowing remote code execution. (CVE-2014-4488)
 - The IOHIDFamily component fails to properly sanitize event queues.  This can lead to remote code execution. (CVE-2014-4489)
 - The kernel does not enforce read-only attributes which can allow attackers to bypass access restrictions. (CVE-2014-4495)
 - The libnetcore component fails to verify certain data types which can allow remote code execution in the _networkd context. (CVE-2014-4492)

According to its banner, the remote Apple TV device is a version prior to 7.0.3. It is, therefore, affected by the following vulnerabilities :

  - Multiple memory corruption issues exist, related to the     included version of WebKit, that allow application     crashes or arbitrary code execution. (CVE-2014-3192,     CVE-2014-4459, CVE-2014-4466, CVE-2014-4468,     CVE-2014-4469, CVE-2014-4470, CVE-2014-4471,     CVE-2014-4472, CVE-2014-4473, CVE-2014-4474,     CVE-2014-4475, CVE-2014-4476, CVE-2014-4477,     CVE-2014-4479)

  - A state management issue exists due to improperly     handling overlapping segments in Mach-O executable     files. A local user can exploit this issue to execute     unsigned code. (CVE-2014-4455)

  - A security bypass issue exists due to improper     validation of SVG files loaded in an IMG element. An     attacker can load a CSS of cross-origin resulting in     information disclosure. (CVE-2014-4465)

  - An issue exists due to the symbolic linking performed     by the 'afc' command which allows an attacker to     access arbitrary files on the system. (CVE-2014-4480)

  - An integer overflow issue exists due to improper bounds     checking when processing PDF files. (CVE-2014-4481)

  - A buffer overflow issue exists due to improper bounds     checking when processing fonts in PDF files.
    (CVE-2014-4483)

  - A memory corruption issue exists due to improper bounds     checking when processing '.dfont' files.
    (CVE-2014-4484)

  - A buffer overflow issue exists due to improper bounds     checking when processing XML files. (CVE-2014-4485)

  - A null pointer dereference issue exists due to the     handling of resource lists in the IOAcceleratorFamily     kernel extension. (CVE-2014-4486)

  - A buffer overflow issue exists due to improper size     validation in the IOHIDFamily. (CVE-2014-4487)

  - A validation issue exists due to the handling of     resource queue metadata in the IOHIDFamily kernel     extension. (CVE-2014-4488)

  - A null pointer dereference issue exists due to the     handling of event queues in the IOHIDFamily kernel     extension. (CVE-2014-4489)

  - An information disclosure issue exists due to the     handling of APIs related to kernel extensions in which     kernel addresses may be revealed. An attacker can     leverage this to bypass ASLR protections.
    (CVE-2014-4491)

  - Multiple type confusion issues exists due to improper     type checking during interprocess communication in the     network daemon (networkd). (CVE-2014-4492)

  - An issue exists due to improper checking of shared     memory permissions in the kernel shared memory     subsystem. (CVE-2014-4495)

  - An information disclosure issue exists due to     mach_port_kobject kernel interface leaking kernel     addresses and heap permutation values. An attacker can     leverage this to bypass ASLR protections.
    (CVE-2014-4496)

Note that arbitrary code execution is possible with the above issues assigned CVE-2014-4481 through CVE-2014-4489, CVE-2014-4492, and CVE-2014-4495.

The remote host is running a version of Mac OS X 10.8 or 10.9 that does not have Security Update 2015-001 applied. This update contains several security-related fixes for the following components :

  - AFP Server
  - Bluetooth
  - CoreGraphics
  - CoreSymbolication
  - FontParser
  - Foundation
  - Intel Graphics Driver
  - IOAcceleratorFamily
  - IOHIDFamily
  - Kernel
  - LaunchServices
  - libnetcore
  - LoginWindow
  - lukemftp
  - OpenSSL
  - Sandbox
  - SceneKit
  - Security
  - security_taskgate
  - Spotlight
  - sysmond

Note that successful exploitation of the most serious issues can result in arbitrary code execution.

The remote host is running a version of Mac OS X 10.10.x that is prior to version 10.10.2. This update contains several security-related fixes for the following components :

  - bash
  - Bluetooth
  - CFNetwork Cache
  - CommerceKit Framework
  - CoreGraphics
  - CoreSymbolication
  - CPU Software
  - FontParser
  - Foundation
  - Intel Graphics Driver
  - IOAcceleratorFamily
  - IOHIDFamily
  - IOKit
  - IOUSBFamily
  - Kernel
  - LaunchServices
  - libnetcore
  - LoginWindow
  - lukemftp
  - OpenSSL
  - Safari
  - SceneKit
  - Security
  - security_taskgate
  - Spotlight
  - SpotlightIndex
  - sysmond
  - UserAccountUpdater

Note that successful exploitation of the most serious issues can result in arbitrary code execution.

The mobile device is running a version of iOS prior to version 8.1.3.
It is, therefore, affected by vulnerabilities in the following components :

  - AppleFileConduit
  - CoreGraphics
  - dyld
  - FontParser
  - Foundation
  - IOAcceleratorFamily
  - IOHIDFamily
  - iTunes Store
  - Kernel
  - libnetcore
  - MobileInstallation
  - Springboard
  - WebKit

ID	Name	Product	Family	Severity
8644	Mac OS X < 10.10.2 Multiple Vulnerabilities	Nessus Network Monitor	Operating System Detection	critical
8640	Apple TV < 7.0.3 Multiple Vulnerabilities	Nessus Network Monitor	Internet Services	critical
8639	Apple iOS < 8.1.3 Multiple Vulnerabilities	Nessus Network Monitor	Mobile Devices	critical
81145	Apple TV < 7.0.3 Multiple Vulnerabilities	Nessus	Misc.	critical
81088	Mac OS X Multiple Vulnerabilities (Security Update 2015-001) (POODLE)	Nessus	MacOS X Local Security Checks	critical
81087	Mac OS X 10.10.x < 10.10.2 Multiple Vulnerabilities (POODLE)	Nessus	MacOS X Local Security Checks	critical
81050	Apple iOS < 8.1.3 Multiple Vulnerabilities	Nessus	Mobile Devices	critical

Detections

Analytics

CVE-2014-4491

low

Tenable Plugins

critical

critical

critical

critical

critical

critical

critical