According to its banner, the remote Apple TV device is a version prior to 9.2. It is, therefore, affected by the following vulnerabilities :

  - An XML external entity (XXE) expansion flaw exists in     libxml2 due to the XML parser accepting entities from     untrusted sources. An unauthenticated, remote attacker     can exploit this, via crafted XML data, to cause a     denial of service through resource exhaustion.
    (CVE-2015-1819)

  - An XML external entity (XXE) injection flaw exists in     libxml2 in file parser.c due to the XML parser accepting     entities from untrusted sources. An unauthenticated,     remote attacker can exploit this, via crafted XML data,     to cause a denial of service or to disclose sensitive     information. (CVE-2015-5312)

  - A heap buffer overflow condition exists in libxml2 in     the xmlGROW() function within file parser.c while     handling XML data. An unauthenticated, remote attacker     can exploit this to disclose sensitive information.
    (CVE-2015-7499)

  - An out-of-bounds heap read error exists in libxml2 in     the xmlParseMisc() function within file parser.c while     handling entity boundaries. An unauthenticated, remote     attacker can exploit this to cause a denial of service.
    (CVE-2015-7500)

  - An out-of-bounds read error exists in libxml2 in the     xmlParseConditionalSections() function within file     parser.c due to a failure to properly skip intermediary     entities when it stops parsing invalid input. An     unauthenticated, remote attacker can exploit this, via     crafted XML data, to cause a denial of service.
    (CVE-2015-7942)

  - A flaw exists in libxml2 in the xz_decomp() function     within file xzlib.c due to a failure to properly detect     compression errors when handling compressed XML content.
    An unauthenticated, remote attacker can exploit this,     via crafted XML data, to cause an infinite loop,     resulting in a denial of service.
    (CVE-2015-8035)

  - A out-of-bounds read error exists in libxml2 in the     xmlSAX2TextNode() function within file SAX2.c due to     improper sanitization of input data. An unauthenticated,     remote attacker can exploit this, via crafted XML data,     to cause a denial of service or to disclose sensitive     information. (CVE-2015-8242)

  - A use-after-free error exists in Nghttp2 within file     lib/nghttp2_session.c when handling idle streams. An     unauthenticated, remote attacker can exploit this to     deference already freed memory, allowing the execution     of arbitrary code. (CVE-2015-8659)

  - An overflow condition exists in the Broadcom Wi-Fi     driver due to improper validation of data while handling     SSID or WPS_ID_DEVICE_NAME values. An unauthenticated,     adjacent attacker can exploit this, via a crafted     wireless control message packet, to cause a denial of     service or to execute arbitrary code. (CVE-2016-0801)

  - An overflow condition exists in the Broadcom Wi-Fi     driver due to improper validation of user-supplied     input when handling the packet length of event messages.
    An unauthenticated, adjacent attacker can exploit this,     via a crafted wireless control message packet, to cause     a denial of service or to execute arbitrary code.
    (CVE-2016-0802)

  - A flaw exists in FontParser due to improper validation     of user-supplied input when handling encoded fonts that     contain invalid characters. An unauthenticated, remote     attacker can exploit this, via a crafted PDF document,     to corrupt memory, resulting in a denial of service or     the execution arbitrary code. (CVE-2016-1740)

  - A flaw exists in IOHIDFamily due to improper validation     of user-supplied input. An unauthenticated, remote     attacker can exploit this, via a crafted application,     to gain access to kernel memory layout information.
    (CVE-2016-1748)

  - A use-after-free error exists in the kernel that allows     an unauthenticated, remote attacker to execute arbitrary     code via a crafted application. (CVE-2016-1750)

  - A flaw exists in the kernel due to a failure to properly     restrict execution permissions. An unauthenticated,     remote attacker can exploit this, via a crafted     application, to bypass code-signing protection     mechanisms. (CVE-2016-1751)

  - An unspecified flaw exists in the kernel that allows a     local attacker to cause a denial of service via a     crafted application. (CVE-2016-1752)

  - An integer overflow condition exists in the kernel due     to improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this, via     a crafted application, to gain elevated privileges.
    (CVE-2016-1753)

  - A memory corruption issue exists in the kernel due to     improper validation of user-supplied input. An     unauthenticated, remote attacker can exploit this, by     convincing a user to install a malicious application,     to cause a denial of service or execute arbitrary code.
    CVE-2016-1754)

  - A use-after-free error exists in the AppleKeyStore user     client when handling multiple threads, which is     triggered when one thread closes the user client while     another attempts to call an external method. An     unauthenticated, remote attacker can exploit this, by     convincing a user to install a malicious application, to     execute arbitrary code with elevated privileges.
    (CVE-2016-1755)

  - A flaw exists in libxml2 due to improper validation of     user-supplied input while handling XML content. An     unauthenticated, remote attacker can exploit this, via a     crafted XML document, to cause a denial of service or to     execute arbitrary code. (CVE-2016-1762)

  - An out-of-bounds write error exists in TrueTypeScaler     due to improper validation of user-supplied input while     handling bdat tables in TTF fonts. An unauthenticated,     remote attacker can exploit this, via a crafted TTF     font, to cause a denial or service or to execute     arbitrary code. (CVE-2016-1775)

  - A flaw exists in WebKit due to improper validation of     user-supplied input. An unauthenticated, remote attacker     can exploit this, via a crafted website, to cause a     denial of service or execute arbitrary code.
    (CVE-2016-1783)

  - An unspecified flaw exists in the History implementation     of WebKit that allows an unauthenticated, remote     attacker to cause a denial of service via a crafted     website. (CVE-2016-1784)

  - A heap buffer overflow condition exists in Mozilla     Network Security Services due to improper validation of     user-supplied input while parsing ASN.1 structures. An     unauthenticated, remote attacker can exploit this, via     crafted ASN.1 data in an X.509 certificate, to cause a     denial of service or execute arbitrary code.
    (CVE-2016-1950)

Note that only 4th generation models are affected by these vulnerabilities, and this plugin only checks these models.

nghttp2 reports :

This release fixes heap-use-after-free bug in idle stream handling code. We strongly recommend to upgrade the older installation to this latest version as soon as possible.

The remote host is running a version of Mac OS X that is 10.11.x prior to 10.11.4. It is, therefore, affected by multiple vulnerabilities in the following components :

  - apache_mod_php
  - AppleRAID
  - AppleUSBNetworking
  - Bluetooth
  - Carbon
  - dyld
  - FontParser
  - HTTPProtocol
  - Intel Graphics Driver
  - IOFireWireFamily
  - IOGraphics
  - IOHIDFamily
  - IOUSBFamily
  - Kernel
  - libxml2
  - Messages
  - NVIDIA Graphics Drivers
  - OpenSSH
  - OpenSSL
  - Python
  - QuickTime
  - Reminders
  - Ruby
  - Security
  - Tcl
  - TrueTypeScaler
  - Wi-Fi

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

- update to nghttp2-1.6.0 (fixes CVE-2015-8659)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-201612-06 (nghttp2: Heap-use-after-free)

    A heap-use-after-free vulnerability has been discovered in nghttp2.
      Please review the CVE identifier referenced below for details.
  Impact :

    The impact of the vulnerability is still unknown.
  Workaround :

    There is no known workaround at this time.

The mobile device is running a version of iOS prior to version 9.3. It is, therefore, affected by multiple vulnerabilities in the following components :

  - AppleUSBNetworking
  - FontParser
  - HTTPProtocol
  - IOHIDFamily
  - Kernel
  - LaunchServices
  - libxml2
  - Messages
  - Profiles
  - Security
  - TrueTypeScaler
  - WebKit
  - Wi-Fi

Versions of Apple TV earlier than 9.2 are unpatched for vulnerabilities in the following components :

 - FontParser (CVE-2016-1740)
 - HTTPProtocol (CVE-2015-8659)
 - IOHIDFamily (CVE-2016-1748)
 - Kernel (CVE-2016-1750)
 - Kernel (CVE-2016-1753)
 - Kernel (CVE-2016-1751)
 - Kernel (CVE-2016-1754, CVE-2016-1755)
 - Kernel (CVE-2016-1752)
 - libxml2 (CVE-2015-1819, CVE-2015-5312, CVE-2015-7499, CVE-2015-7500, CVE-2015-7942, CVE-2015-8035, CVE-2015-8242, CVE-2016-1762)
 - Security (CVE-2016-1950)
 - TrueTypeScaler (CVE-2016-1775)
 - WebKit (CVE-2016-1783)
 - WebKit History (CVE-2016-1784)
 - Wi-Fi (CVE-2016-0801, CVE-2016-0802)

The remote host is running a version of Mac OS X version 10.11.x prior to 10.11.4 and is affected by multiple vulnerabilities in the following components :

 - apache_mod_php
 - AppleRAID
 - AppleUSBNetworking
 - Bluetooth
 - Carbon
 - dyld
 - FontParser
 - HTTPProtocol
 - Intel Graphics Driver
 - IOFireWireFamily
 - IOGraphics
 - IOHIDFamily
 - IOUSBFamily
 - Kernel
 - libxml2
 - Messages
 - NVIDIA Graphics Drivers
 - OpenSSH
 - OpenSSL
 - Python
 - QuickTime
 - Reminders
 - Ruby
 - Security
 - Tcl
 - TrueTypeScaler
 - Wi-Fi

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

The remote host is running a version of iOS that is prior to version 9.3 and the following components contain vulnerabilities :

 - AppleUSBNetworking
 - FontParser
 - HTTPProtocol
 - IOHIDFamily
 - Kernel
 - LaunchServices
 - libxml2
 - Messages
 - Profiles
 - Security
 - TrueTypeScaler
 - WebKit
 - Wi-Fi

ID	Name	Product	Family	Published	Updated	Severity
90309	Apple TV < 9.2 Multiple Vulnerabilities	Nessus	Misc.	4/1/2016	11/19/2019	critical
88501	FreeBSD : nghttp2 -- use after free (93eadedb-c6a6-11e5-96d6-14dae9d210b8)	Nessus	FreeBSD Local Security Checks	2/1/2016	1/4/2021	critical
90096	Mac OS X 10.11.x < 10.11.4 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	3/22/2016	11/20/2019	critical
89545	Fedora 23 : nghttp2-1.6.0-1.fc23 (2016-54f85ec6e8)	Nessus	Fedora Local Security Checks	3/4/2016	1/11/2021	critical
95521	GLSA-201612-06 : nghttp2: Heap-use-after-free	Nessus	Gentoo Local Security Checks	12/5/2016	1/11/2021	critical
89578	Fedora 22 : nghttp2-1.6.0-1.fc22 (2016-8e13ac5754)	Nessus	Fedora Local Security Checks	3/4/2016	1/11/2021	critical
90118	Apple iOS < 9.3 Multiple Vulnerabilities	Nessus	Mobile Devices	3/23/2016	4/8/2024	critical
9336	Apple TV < 9.2 Multiple Vulnerabilities	Nessus Network Monitor	Internet Services	5/27/2016	3/6/2019	critical
9327	Mac OS X 10.11.x < 10.11.4 Multiple Vulnerabilities	Nessus Network Monitor	Operating System Detection	5/27/2016	3/6/2019	critical
9331	Apple iOS < 9.3 Multiple Vulnerabilities	Nessus Network Monitor	Mobile Devices	5/26/2016	3/6/2019	high

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