Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - 2.9.4より前の Apple iOS、 9.3.2より前の OS X、 10.11.5より前の tvOS 、 9.2.1より前の watchOS で使用されている 2.2.1より前の libxml2 の xmlDictComputeFastKey 関数 の use-after-free の脆弱性により、リモートの攻撃者が細工された XML ドキュメントによるサービスの可能性。 （CVE-2016-1836）

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

libxml2 用の更新が、Red Hat Enterprise Linux 6 および Red Hat Enterprise Linux 7 で現在利用可能です。

Red Hat 製品セキュリティは、この更新がセキュリティに及ぼす影響を重要度高として評価しています。詳細な重要度評価を示す Common Vulnerability Scoring System（CVSS）ベーススコアは、「参照」セクションで CVE リンクから脆弱性ごとに入手できます。

libxml2 ライブラリは、各種 XML 規格の実装を提供する開発ツールボックスです。

セキュリティ修正：

libxml2 が特定の細工された XML 入力を解析する方法で、ヒープベースのバッファオーバーフローの欠陥が見つかりました。リモートの攻撃者が特別に細工された XML ファイルを提供することで、libxml2 に対してリンクされたアプリケーションでこれが開かれると、アプリケーションがクラッシュしたり、アプリケーションを実行しているユーザーの権限で任意のコードが実行される可能性があります。
（CVE-2016-1834、CVE-2016-1840）

libxml2 に複数のサービス拒否の欠陥が見つかりました。リモートの攻撃者が特別に細工された XML ファイルを提供して、libxml2 を使用するアプリケーションによって処理されると、アプリケーションがクラッシュする可能性があります。CVE-2016-1762、CVE-2016-1833、CVE-2016-1835、CVE-2016-1836、CVE-2016-1837、CVE-2016-1838、CVE-2016-1839、CVE-2016-3627、CVE-2016-3705、CVE-2016-4447、CVE-2016-4448、CVE-2016-4449

リモートホストが、バージョン 10.11.5 より前の Mac OS X 10.11.x を実行しています。したがって、次のコンポーネントの複数の脆弱性による影響を受けます：

- AMD
 - apache_mod_php
 - AppleGraphicsControl
 - AppleGraphicsPowerManagement
 - Assistant
 - ATS
 - Audio
 - Captive
 - CFNetwork
 - CommonCrypto
 - CoreCapture
 - CoreStorage
 - Crash
 - Disk
 - Disk
 - Driver
 - Drivers
 - Drivers
 - Graphics
 - Graphics
 - Graphics
 - ImageIO
 - Images
 - Intel
 - IOAcceleratorFamily
 - IOAudioFamily
 - IOFireWireFamily
 - IOHIDFamily
 - Kernel
 - libc
 - libxml2
 - libxslt
 - Lock
 - MapKit
 - Messages
 - Multi-Touch
 - Network
 - NVIDIA
 - OpenGL
 - Proxies
 - QuickTime
 - Reporter
 - SceneKit
 - Screen
 - Tcl
 - Utility

注意：最も深刻な問題の悪用が成功すると、任意のコード実行が発生する可能性があります。

自己報告されたバージョンによると、リモートホストで実行されている Nessus Network Monitor は、6.2.2 より前です。したがって、TNS-2023-23 のアドバイザリに記載されている複数の脆弱性の影響を受けます。サードパーティコンポーネントのいくつかに脆弱性が含まれていることが判明し、プロバイダーにより更新バージョンが利用可能になっています。警戒するため、最適な実施基準に従って、Tenable はこれらのコンポーネントをアップグレードし、この問題の潜在的な影響に対処することにしました。Nessus Network Monitor 6.2.2 は、以下のコンポーネントを更新します。

  - c-ares のバージョン 1.10.0 からバージョン 1.19.1。
  - curl のバージョン 7.79.1 からバージョン 8.1.2。
  - libbzip2 のバージョン 1.0.6 からバージョン 1.0.8。
  - libpcre のバージョン 8.42 からバージョン 8.44。
  - libxml2 のバージョン 2.7.7 からバージョン 2.11.1。
  - libxslt のバージョン 1.1.26 からバージョン 1.1.37。
  - libxmlsec のバージョン 1.2.18 からバージョン 1.2.37。
  - sqlite のバージョン 3.27.2 からバージョン 3.40.1。
  - jQuery Cookie のバージョン 1.3.1 からバージョン 1.4.1。
  - jQuery UI のバージョン 1.13.0 からバージョン 1.13.2。
  - OpenSSL のバージョン 3.0.8 からバージョン 3.0.9。

The remote host is running a version of iOS that is prior to version 9.3.2 and the following components contain vulnerabilities :

 - Accessibility
 - CFNetwork Proxies
 - CommonCrypto
 - CoreCapture
 - Disk Images
 - ImageIO
 - IOAcceleratorFamily
 - IOHIDFamily
 - Kernel
 - libc
 - libxml2
 - libxslt
 - MapKit
 - OpenGL
 - Safari
 - Siri
 - WebKit
 - WebKit Canvas

The remote host is running a version of Mac OS X version 10.11.x prior to 10.11.5 and is affected by multiple vulnerabilities in the following components :

 - AMD
 - apache_mod_php
 - AppleGraphicsControl
 - AppleGraphicsPowerManagement
 - ATS
 - Audio
 - Captive Network Assistant
 - CFNetwork Proxies
 - CommonCrypto
 - CoreCapture
 - CoreStorage
 - Crash Reporter
 - Disk Images
 - Disk Utility
 - Graphics Drivers
 - ImageIO
 - Intel Graphics Driver
 - IOAcceleratorFamily
 - IOAudioFamily
 - IOFireWireFamily
 - IOHIDFamilyKernel
 - libc
 - libxml2
 - libxslt
 - MapKit
 - Messages
 - Multi-Touch
 - NVIDIA Graphics Drivers
 - OpenGL
 - QuickTime
 - SceneKit
 - Screen Lock
 - Tcl

Versions of Apple TV earlier than 9.2.1 are unpatched for vulnerabilities in the following components :

 - CFNetwork Proxies
 - CommonCrypto
 - CoreCapture
 - Disk Images
 - ImageIO
 - IOAcceleratorFamily
 - IOHIDFamily
 - Kernel
 - libc
 - libxml2
 - libxslt
 - OpenGL
 - WebKit
 - WebKit Canvas
 

The specific version of Mac OS X that the system is running is reportedly affected by the following vulnerabilities:

- Apple Mac OS X contains a use-after-free error in the WindowServer process that is triggered when handling CFData objects in memory. This may allow a local attacker to dereference already freed memory and gain elevated privileges. (CVE-2016-1804)

- Apple Mac OS X contains an array indexing flaw in the blit3d_submit_commands() function within the IOAcceleratorFamily component. This may allow a local attacker to corrupt memory and potentially execute arbitrary code with kernel privileges. (CVE-2016-1815)

- Multiple Apple products contains a flaw as HTTP and HTTPS requests are not properly handled. This may allow an attacker with the ability to intercept network traffic (e.g. MitM, DNS cache poisoning) to disclose transmitted data. (CVE-2016-1801)

- Multiple Apple products contain a flaw that is triggered when handling return values related to key lengths in CommonCrypto (CCCrypt). This may allow a local attacker to gain unauthorized access to sensitive user information. (CVE-2016-1802)

- Multiple Apple products contain a NULL pointer dereference flaw in CoreCapture that is triggered as input is not properly validated. This may allow a local attacker to cause a crash or potentially execute arbitrary code with kernel privileges. (CVE-2016-1803)

- Multiple Apple products contain a flaw related to disk images that is triggered by a race condition related to locking. This may allow a local attacker to gain unauthorized access to kernel memory information. (CVE-2016-1807)

- Multiple Apple products contain a flaw that is triggered as user-supplied input is not properly validated when handling disk images. This may allow a local attacker to corrupt memory to cause a denial of service or potentially execute arbitrary code. (CVE-2016-1808)

- Multiple Apple products contain a NULL pointer dereference flaw in ImageIO that is triggered when handling a specially crafted image. This may allow a context-dependent attacker to cause a denial of service. (CVE-2016-1811)

- Multiple Apple products contain an overflow condition in the IOAcceleratorFamily component that is triggered as user-supplied input is not properly validated. This may allow a local attacker to cause a buffer overflow and potentially execute arbitrary code with kernel privileges. (CVE-2016-1817)

- Multiple Apple products contains a flaw in the IOAcceleratorFamily component that is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and potentially execute arbitrary code with kernel privileges. (CVE-2016-1818)

- Multiple Apple products contain a use-after-free condition in the IOAcceleratorFamily component that is triggered as user-supplied input is not properly validated. This may allow a local attacker to dereference already freed memory and potentially execute arbitrary code with kernel privileges. (CVE-2016-1819)

- Multiple Apple products contain a NULL pointer dereference in IOAcceleratorFamily related to improper locking. This may allow a local attacker to cause a denial of service. (CVE-2016-1814)

- Multiple Apple products contain a NULL pointer dereference in the IOAccelSharedUserClient2::page_off_resource() function that is triggered as user-supplied input is not properly sanitized. This may allow a local attacker to cause a crash or potentially execute arbitrary code with kernel privileges. (CVE-2016-1813)

- Multiple Apple products contains an out-of-bounds access flaw in the IOHIDFamily component that is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and potentially execute arbitrary code with kernel privileges. (CVE-2016-1823)

- Multiple Apple products contains a flaw in the IOHIDFamily component. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory to cause a denial of service or potentially execute arbitrary code with kernel privileges. (CVE-2016-1824)

- Multiple Apple products contain a flaw in the kernel. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code with kernel privileges. (CVE-2016-1827, CVE-2016-1828, CVE-2016-1829, CVE-2016-1830, CVE-2016-1831)

- Multiple Apple products contains a flaw in libc. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code. (CVE-2016-1832)

- Libxml2 contains an overflow condition in the xmlStrncatNew() function of xmlstring.c . The issue is triggered as user-supplied input is not properly validated when handling a string with a NULL. With a specially crafted file, a context-dependent attacker can cause a heap-based buffer overflow, resulting in a denial of service or potentially allowing the execution of arbitrary code. (CVE-2016-1834)

- Libxml2 contains a use-after-free error in the xmlParseStartTag2() function of parser.c. The issue is triggered when parsing complex names. With a specially crafted file, a context-dependent attacker can dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1835)

- Libxml2 contains a use-after-free error in the xmlParseNCNameComplex() function of parser.c. The issue is triggered when parsing complex names. With a specially crafted file, a context-dependent attacker can dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1836)

- Libxml2 contains an overflow condition in the htmlParseSystemLiteral() and htmlParsePubidLiteral() functions of HTMLparser.c. The issue is triggered as user-supplied input is not properly validated when parsing characters in a range. With a specially crafted file, a context-dependent attacker can cause a heap-based buffer overflow, resulting in a denial of service or potentially allowing the execution of arbitrary code. (CVE-2016-1837)

- Libxml2 contains an overflow condition in the xmlFAParseCharRange() function of xmlregexp.c. The issue is triggered as user-supplied input is not properly validated when parsing characters in a range. With a specially crafted file, a context-dependent attacker can cause a heap-based buffer overflow, resulting in a denial of service or potentially allowing the execution of arbitrary code. (CVE-2016-1840)

- Multiple Apple products contains a flaw in libxslt. The issue is triggered as user-supplied input is not properly validated when handling a specially crafted website. This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1841)

- Multiple Apple products contain a flaw in MapKit that is triggered as shared links are transferred insecurely over HTTP. This may potentially allow a man-in-the-middle attacker to gain unauthorized access to sensitive information in these links. (CVE-2016-1842)

- Multiple Apple products contains a flaw in the OpenGL component. The issue is triggered as user-supplied input is not properly validated when handling specially crafted web content. This may allow a context-dependent attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code. (CVE-2016-1847)

- Apple Mac OS X contains a flaw in the AMD component. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and potentially execute arbitrary code with kernel privileges. (CVE-2016-1792)

- Apple Mac OS X contains a flaw in the AMD component. The issue is triggered as bounds are not properly checked. This may allow a local attacker to determine kernel memory layout. (CVE-2016-1791)

- Apple Mac OS X contains a NULL pointer dereference flaw in the AppleGraphicsControl component that is triggered as user-supplied input is not properly validated. This may allow a local attacker to cause a crash or potentially execute arbitrary code with kernel privileges. (CVE-2016-1793)

- Apple Mac OS X contains a NULL pointer dereference flaw in the AppleGraphicsControlClient::checkArguments() function in AppleMuxControl.kext that is triggered as user-supplied input is not properly validated. This may allow a local attacker to cause a crash or potentially execute arbitrary code with kernel privileges. (CVE-2016-1794)

- Apple Mac OS X contains a flaw in the AppleGraphicsPowerManagement component. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and potentially execute arbitrary code with kernel privileges. (CVE-2016-1795)

- Apple Mac OS X contains an out-of-bounds read flaw in the ATS component. This may allow a local attacker to potentially disclose kernel memory layout. (CVE-2016-1796)

- Apple Mac OS X contains a flaw in the ATS component that is triggered the sandbox policy is not properly implemented for FontValidator. This may allow a local attacker to potentially execute arbitrary code with system privileges. (CVE-2016-1797)

- Apple Mac OS X contains a NULL pointer dereference flaw in the Audio component that is triggered as user-supplied input is not properly validated. This may allow a local attacker to cause a denial of service. (CVE-2016-1798)

- Apple Mac OS X contains a flaw in the Audio component. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and potentially execute arbitrary code with kernel privileges. (CVE-2016-1799)

- Apple Mac OS X contains a flaw in the Captive Network Assistant component that is triggered as URL schemes are not properly validated. This may allow a user-assisted, man-in-the-middle attacker to potentially execute arbitrary code. (CVE-2016-1800)

- Apple Mac OS X contains an unspecified configuration flaw in the CoreStorage component. This may allow a local attacker to potentially execute arbitrary code with kernel privileges. (CVE-2016-1805)

- Apple Mac OS X contains a flaw in the Crash Reporter component (com.apple.SubmitDiagInfo) that is triggered when handling user-supplied paths when creating directories. This may allow a local attacker to execute arbitrary code with root privileges. (CVE-2016-1806)

- Apple Mac OS X contains a flaw in the Disk Utility component that is triggered as the incorrect keys were used to encrypt disk images. This may result in disk images not being properly compressed and encrypted. (CVE-2016-1809)

- Apple Mac OS X contains a NULL pointer dereference flaw in the ImageIO component that is triggered when handling a specially crafted image. This may allow a context-dependent attacker to cause a denial of service. (CVE-2016-1810)

- Apple Mac OS X contains an overflow condition in the Intel Graphics Driver component. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to cause a buffer overflow, resulting in a denial of service or potentially allowing the execution of arbitrary code with kernel privileges. (CVE-2016-1812)

- Apple Mac OS X contains a NULL pointer dereference in IOAcceleratorFamily that is triggered as user-supplied input is not properly sanitized. This may allow a local attacker to execute arbitrary code with kernel privileges. (CVE-2016-1816)

- Apple Mac OS X contains an overflow condition in the IOAudioFamily component. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to cause a buffer overflow, resulting in a denial of service or potentially allowing the execution of arbitrary code with kernel privileges. (CVE-2016-1820)

- Apple Mac OS X contains a NULL pointer dereference in the IOAudioFamily component. This may allow a local attacker to cause a crash or potentially execute arbitrary code with kernel privileges. (CVE-2016-1821)

- Apple Mac OS X contains a flaw in the IOFireWireFamily component. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code with kernel privileges. (CVE-2016-1822)

- Apple Mac OS X contains multiple flaws in the IOHIDFamily component. These issues are triggered as user-supplied input is not properly validated. This may allow a local attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code with kernel privileges. (CVE-2016-1825)

- Apple Mac OS X contains an integer overflow condition in its dtrace implementation. The issue is triggered as user-supplied input is not properly validated. This may allow a local attacker to execute arbitrary code with kernel privileges. (CVE-2016-1826)

- Apple Mac OS X contains a flaw in the Messages component that is triggered by a failure to properly validate roster changes. This may allow an authenticated remote attacker, or a malicious server, to manipulate another user's contact list. (CVE-2016-1844)

- Apple Mac OS X contains a flaw in the Messages component that is triggered by an encoding issue in filename parsing. This may allow a remote attacker to gain unauthorized access to potentially sensitive user information. (CVE-2016-1843)

- Apple Mac OS X contains a NULL pointer dereference flaw in the nvCommandQueue::GetHandleIndex() function in the NVIDIA Graphics Driver (GeForce.kext). This may allow a local attacker to cause a crash or potentially execute arbitrary code with kernel privileges. (CVE-2016-1846)

- Apple Mac OS X contains a flaw in the QuickTime component. The issue is triggered as user-supplied input is not properly validated when handling a specially crafted file. This may allow a context-dependent attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code. (CVE-2016-1848)

- Apple Mac OS X contains a flaw in the SceneKit component. The issue is triggered as user-supplied input is not properly validated when handling a specially crafted file. This may allow a context-dependent attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code. (CVE-2016-1850)

- Apple Mac OS X contains a flaw in the management of password profiles. This may allow a physically present attacker to bypass the screen lock and reset an expired password. (CVE-2016-1851)

- Apple Mac OS X contains a flaw in the Tcl component related to the usage of SSLv2. This may potentially allow an attacker with the ability to intercept network traffic (e.g. MitM, DNS cache poisoning) to disclose transmitted data. (CVE-2016-1853)

- Apple Mac OS X contains an overflow condition in the NVIDIA Graphics Driver (GeForce.kext). This may allow a local attacker to cause a stack-based buffer overflow and potentially execute arbitrary code with kernel privileges. (CVE-2016-1861)

- No description supplied (CVE-2016-1833, CVE-2016-1839, CVE-2016-1815, CVE-2016-1804)

ID	名前	製品	ファミリー	公開日	更新日	深刻度
219285	Linux Distros のパッチ未適用の脆弱性: CVE-2016-1836	Nessus	Misc.	2025/3/4	2025/3/4	medium
91786	CentOS 6 / 7：libxml2（CESA-2016:1292）	Nessus	CentOS Local Security Checks	2016/6/24	2021/1/4	critical
91228	Mac OS X 10.11.x < 10.11.5 の複数の脆弱性	Nessus	MacOS X Local Security Checks	2016/5/19	2024/5/28	high
177842	Nessus Network Monitor < 6.2.2 複数の脆弱性 (TNS-2023-23)	Nessus	Misc.	2023/6/30	2023/7/6	critical
9332	Apple iOS < 9.3.2 Multiple Vulnerabilities	Nessus Network Monitor	Mobile Devices	2016/5/26	2019/3/6	high
9392	Mac OS X 10.11.x < 10.11.5 Multiple Vulnerabilities	Nessus Network Monitor	Operating System Detection	2016/7/13	2019/3/6	high
9337	Apple TV < 9.2.1 Multiple Vulnerabilities	Nessus Network Monitor	Internet Services	2016/5/27	2019/3/6	high
802004	macOS < 10.11.5 Multiple Vulnerabilities	Log Correlation Engine	Operating System Detection	2016/8/23		high

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high