远程主机运行的 Mac OS X 版本为低于 10.10.5、10.11.x（低于 10.11.6）、10.12.x（低于 10.12.6）或非 macOS 10.13 版本。因而会受到以下组件中的多个漏洞影响：- apache - AppSandbox - AppleScript - Application Firewall - ATS - Audio - CFNetwork - CFNetwork Proxies - CFString - Captive Network Assistant - CoreAudio - CoreText - DesktopServices - Directory Utility - file - Fonts - fsck_msdos - HFS - Heimdal - HelpViewer - IOFireWireFamily - ImageIO - Installer - Kernel - kext tools - libarchive - libc - libexpat - Mail - Mail Drafts - ntp - Open Scripting Architecture - PCRE - Postfix - Quick Look - QuickTime - Remote Management - SQLite - Sandbox - Screen Lock - Security - Spotlight - WebKit - zlib 请注意，如果成功利用最严重的问题则可能导致执行任意代码。

安全修复：- 在 NTP 服务器的配置指令解析中发现两个漏洞。经身份验证的远程攻击者可通过发送特制的消息导致 ntpd 崩溃。(CVE-2017-6463, CVE-2017-6464) - 从 /dev/ 数据设备中解析数据包时，在 NTP 中发现漏洞。恶意设备可通过发送特制的消息导致 ntpd 崩溃。(CVE-2017-6462)

来自 Red Hat 安全公告 2018:0855： ntp 更新现可用于 Red Hat Enterprise Linux 7。 Red Hat 产品安全团队将此更新评级为具有中等安全影响。可从“参考”部分中的 CVE 链接获取通用漏洞评分系统 (CVSS) 基本分数，其针对每个漏洞给出了详细的严重性等级。 网络时间协议 (NTP) 用于将计算机的时间与其他引用时间源进行同步。这些程序包中包含 ntpd 服务，可以连续调整系统时间和用于查询并配置 ntpd 服务的实用工具。 安全补丁： * ntp：通过恶意配置选项验证的 DoS (CVE-2017-6463) * ntp：通过恶意配置拒绝服务 (CVE-2017-6464) * ntp：DPTS 时钟中的缓冲区溢出 (CVE-2017-6462) 有关此安全问题的详细信息，包括其影响、CVSS 分数和其他相关信息，请参阅列于“参考”部分的 CVE 页面。 Red Hat 在此感谢 NTP 项目报告这些问题。上游感谢这些问题的原始报告者 Cure53。 更多变更： 如需有关此发行版本的详细变更信息，请参阅可从“参考”部分链接的 Red Hat Enterprise Linux 7.5 版本说明。

安全修复：- ntp：通过恶意配置选项造成经身份验证的 DoS (CVE-2017-6463) - ntp: 通过畸形配置造成拒绝服务 (CVE-2017-6464) - ntp: DPTS 时钟中存在缓冲区溢出 (CVE-2017-6462) 其他变更：

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - 在低于 4.2.8p10 的 NTP 和低于 4.3.x 的 4.3.94 中，旧版 Datum Programmable Time Server (DPTS) refclock 驱动程序中存在缓冲区溢出，允许本地用户通过特制的 /dev/datum 设备造成不明影响。
    (CVE-2017-6462)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

An update of the ntp package has been released.

This ntp update to version 4.2.8p10 fixes serveral issues. This updated enables leap smearing. See /usr/share/doc/packages/ntp/README.leapsmear for details. Security issues fixed (bsc#1030050) :

  - CVE-2017-6464: Denial of Service via Malformed Config

  - CVE-2017-6462: Buffer Overflow in DPTS Clock

  - CVE-2017-6463: Authenticated DoS via Malicious Config     Option

  - CVE-2017-6458: Potential Overflows in ctl_put()     functions

  - CVE-2017-6451: Improper use of snprintf() in     mx4200_send()

  - CVE-2017-6460: Buffer Overflow in ntpq when fetching     reslist

  - CVE-2016-9042: 0rigin (zero origin) DoS.

  - ntpq_stripquotes() returns incorrect Value

  - ereallocarray()/eallocarray() underused

  - Copious amounts of Unused Code

  - Off-by-one in Oncore GPS Receiver

  - Makefile does not enforce Security Flags Bugfixes :

  - Remove spurious log messages (bsc#1014172).

  - clang scan-build findings

  - Support for openssl-1.1.0 without compatibility modes

  - Bugfix 3072 breaks multicastclient

  - forking async worker: interrupted pipe I/O

  - (...) time_pps_create: Exec format error

  - Incorrect Logic for Peer Event Limiting

  - Change the process name of forked DNS worker

  - Trap Configuration Fail

  - Nothing happens if minsane 

  - allow -4/-6 on restrict line with mask

  - out-of-bound pointers in ctl_putsys and decode_bitflags

  - Move ntp-kod to /var/lib/ntp, because /var/db is not a     standard directory and causes problems for transactional     updates.

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

Denial of Service via Malformed Config :

A vulnerability was discovered in the NTP server's parsing of configuration directives. A remote, authenticated attacker could cause ntpd to crash by sending a crafted message.(CVE-2017-6464)

Potential Overflows in ctl_put() functions :

A vulnerability was found in NTP, in the building of response packets with custom fields. If custom fields were configured in ntp.conf with particularly long names, inclusion of these fields in the response packet could cause a buffer overflow, leading to a crash.
(CVE-2017-6458)

Improper use of snprintf() in mx4200_send() :

A vulnerability was found in NTP, in the legacy MX4200 refclock implementation. If this refclock was compiled in and used, an attacker may be able to induce stack overflow, leading to a crash or potential code execution.(CVE-2017-6451)

Authenticated DoS via Malicious Config Option :

A vulnerability was discovered in the NTP server's parsing of configuration directives. A remote, authenticated attacker could cause ntpd to crash by sending a crafted message.(CVE-2017-6463)

Buffer Overflow in DPTS Clock :

A vulnerability was found in NTP, in the parsing of packets from the /dev/datum device. A malicious device could send crafted messages, causing ntpd to crash.(CVE-2017-6462)

An update of [binutils,ntp,libarchive] packages for PhotonOS has been released.

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has ntp packages installed that are affected by multiple vulnerabilities:

  - A vulnerability was discovered in the NTP server's     parsing of configuration directives. A remote,     authenticated attacker could cause ntpd to crash by     sending a crafted message. (CVE-2017-6463,     CVE-2017-6464)

  - A vulnerability was found in NTP, in the parsing of     packets from the /dev/datum device. A malicious device     could send crafted messages, causing ntpd to crash.
    (CVE-2017-6462)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version MAIN 4.05, has ntp packages installed that are affected by multiple vulnerabilities:

  - A vulnerability was found in NTP, in the parsing of     packets from the /dev/datum device. A malicious device     could send crafted messages, causing ntpd to crash.
    (CVE-2017-6462)

  - A vulnerability was discovered in the NTP server's     parsing of configuration directives. A remote,     authenticated attacker could cause ntpd to crash by     sending a crafted message. (CVE-2017-6463,     CVE-2017-6464)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the ntp packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - The Network Time Protocol (NTP) is used to synchronize     a computer's time with another reference time source.
    This package includes ntpd (a daemon which continuously     adjusts system time) and utilities used to query and     configure the ntpd daemon. Perl scripts ntp-wait and     ntptrace are in the ntp-perl package, ntpdate is in the     ntpdate package and sntp is in the sntp package. The     documentation is in the ntp-doc package. Security     Fix(es):NTP through 4.2.8p12 has a NULL Pointer     Dereference.(CVE-2019-8936)Buffer overflow in the     legacy Datum Programmable Time Server (DPTS) refclock     driver in NTP before 4.2.8p10 and 4.3.x before 4.3.94     allows local users to have unspecified impact via a     crafted /dev/datum device.(CVE-2017-6462)NTP before     4.2.8p10 and 4.3.x before 4.3.94 allows remote     attackers to cause a denial of service (ntpd crash) via     a malformed mode configuration     directive.(CVE-2017-6464)NTP before 4.2.8p10 and 4.3.x     before 4.3.94 allows remote authenticated users to     cause a denial of service (daemon crash) via an invalid     setting in a :config directive, related to the unpeer     option.(CVE-2017-6463)

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

According to the versions of the ntp packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - ntpq in NTP before 4.2.8p7 allows remote attackers to     obtain origin timestamps and then impersonate peers via     unspecified vectors.(CVE-2015-8139)

  - NTP before 4.2.8p7 and 4.3.x before 4.3.92, when mode7     is enabled, allows remote attackers to cause a denial     of service (ntpd abort) by using the same IP address     multiple times in an unconfig directive.(CVE-2016-2516)

  - The process_packet function in ntp_proto.c in ntpd in     NTP 4.x before 4.2.8p8 allows remote attackers to cause     a denial of service (peer-variable modification) by     sending spoofed packets from many source IP addresses     in a certain scenario, as demonstrated by triggering an     incorrect leap indication.(CVE-2016-4954)

  - ntpd in NTP 4.x before 4.2.8p8, when autokey is     enabled, allows remote attackers to cause a denial of     service (peer-variable clearing and association outage)     by sending (1) a spoofed crypto-NAK packet or (2) a     packet with an incorrect MAC value at a certain     time.(CVE-2016-4955)

  - ntpd in NTP 4.x before 4.2.8p8 allows remote attackers     to cause a denial of service (interleaved-mode     transition and time change) via a spoofed broadcast     packet. NOTE: this vulnerability exists because of an     incomplete fix for CVE-2016-1548.(CVE-2016-4956)

  - Buffer overflow in the legacy Datum Programmable Time     Server (DPTS) refclock driver in NTP before 4.2.8p10     and 4.3.x before 4.3.94 allows local users to have     unspecified impact via a crafted /dev/datum     device.(CVE-2017-6462)

  - NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows     remote authenticated users to cause a denial of service     (daemon crash) via an invalid setting in a :config     directive, related to the unpeer option.(CVE-2017-6463)

  - NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows     remote attackers to cause a denial of service (ntpd     crash) via a malformed mode configuration     directive.(CVE-2017-6464)

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

The remote host is running a version of macOS that is prior to 10.13. It is, therefore, affected by multiple vulnerabilities in the following components :

 - Apache
 - AppSandbox
 - AppleScript
 - Application Firewall
 - ATS
 - Audio
 - CFNetwork
 - CFNetwork Proxies
 - CFString
 - Captive Network Assistant
 - CoreAudio
 - CoreText
 - DesktopServices
 - Directory Utility
 - file
 - Fonts
 - fsck_msdos
 - HFS
 - Heimdal
 - HelpViewer
 - IOFireWireFamily
 - ImageIO
 - Installer
 - Kernel
 - kext tools
 - libarchive
 - libc
 - libexpat
 - Mail
 - Mail Drafts
 - ntp
 - Open Scripting Architecture
 - PCRE
 - Postfix
 - Quick Look
 - QuickTime
 - Remote Management
 - SQLite
 - Sandbox
 - Screen Lock
 - Security
 - Spotlight
 - WebKit
 - zlib

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
103598	macOS < 10.13 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	2017/10/3	2018/7/14	critical
104206	Scientific Linux 安全更新：SL6.x (i386/x86_64) 中的 ntp	Nessus	Scientific Linux Local Security Checks	2017/10/27	2021/1/14	high
109109	Oracle Linux 7 : ntp (ELSA-2018-0855)	Nessus	Oracle Linux Local Security Checks	2018/4/18	2024/10/31	high
109453	Scientific Linux 安全更新：SL7.x x86_64 中的 ntp	Nessus	Scientific Linux Local Security Checks	2018/5/1	2024/10/16	high
221322	Linux Distros 未修补的漏洞: CVE-2017-6462	Nessus	Misc.	2025/3/4	2025/3/4	high
121678	Photon OS 1.0: Ntp PHSA-2017-0010	Nessus	PhotonOS Local Security Checks	2019/2/7	2024/7/22	high
99468	SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2017:1048-1)	Nessus	SuSE Local Security Checks	2017/4/19	2021/1/6	high
99529	Amazon Linux AMI : ntp (ALAS-2017-816)	Nessus	Amazon Linux Local Security Checks	2017/4/21	2018/4/18	high
111859	Photon OS 1.0: Binutils / Libarchive / Ntp PHSA-2017-0010 (deprecated)	Nessus	PhotonOS Local Security Checks	2018/8/17	2019/2/7	critical
127193	NewStart CGSL CORE 5.04 / MAIN 5.04 : ntp Multiple Vulnerabilities (NS-SA-2019-0029)	Nessus	NewStart CGSL Local Security Checks	2019/8/12	2021/1/14	high
127378	NewStart CGSL MAIN 4.05 : ntp Multiple Vulnerabilities (NS-SA-2019-0127)	Nessus	NewStart CGSL Local Security Checks	2019/8/12	2021/1/14	high
128941	EulerOS Virtualization for ARM 64 3.0.2.0 : ntp (EulerOS-SA-2019-1938)	Nessus	Huawei Local Security Checks	2019/9/17	2024/4/25	high
101311	EulerOS 2.0 SP2 : ntp (EulerOS-SA-2017-1125)	Nessus	Huawei Local Security Checks	2017/7/10	2021/1/6	medium
700511	macOS < 10.13 Multiple Vulnerabilities	Nessus Network Monitor	Operating System Detection	2019/4/10	2019/4/10	critical

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