漏洞信息详情
NTP 拒绝服务漏洞
漏洞简介
NTP(Network Time Protocol,网络时间协议)是一款通过网络同步计算机时钟的协议。
NTP 4.2.8p4之前版本和4.3.77之前4.3.x版本中存在安全漏洞,该漏洞源于客户端没有正确验证Kiss-of-Death消息中的时间戳字段。攻击者可通过伪造数据包利用该漏洞造成拒绝服务,使客户端延迟或停止查询服务器端的时间更新。
漏洞公告
目前厂商已发布升级补丁以修复漏洞,补丁获取链接:
http://support.ntp.org/bin/view/Main/NtpBug2901
参考网址
来源:CONFIRM
链接:https://bugzilla.redhat.com/show_bug.cgi?id=1274184
来源:GENTOO
链接:https://security.gentoo.org/glsa/201607-15
来源:BUGTRAQ
链接:http://www.securityfocus.com/archive/1/536796/100/0/threaded
来源:SECTRACK
链接:http://www.securitytracker.com/id/1033951
来源:BUGTRAQ
链接:http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
来源:BUGTRAQ
链接:http://www.securityfocus.com/archive/1/536737/100/0/threaded
来源:MISC
链接:https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html
来源:MISC
链接:https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
来源:CISCO
链接:http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
来源:CONFIRM
链接:https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
来源:CONFIRM
链接:https://security.netapp.com/advisory/ntap-20171004-0001/
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
来源:UBUNTU
链接:http://www.ubuntu.com/usn/USN-2783-1
来源:MISC
链接:https://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
来源:BID
链接:https://www.securityfocus.com/bid/77284
来源:BUGTRAQ
链接:http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
来源:CERT-VN
链接:https://www.kb.cert.org/vuls/id/718152
来源:MISC
链接:https://www.cs.bu.edu/~goldbe/NTPattack.html
来源:CONFIRM
链接:https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
来源:SUSE
链接:http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
来源:MISC
链接:https://www.arista.com/en/support/advisories-notices/security-advisories/1212-security-advisory-0016
来源:CONFIRM
链接:https://support.citrix.com/article/CTX220112
来源:CONFIRM
链接:https://bto.bluecoat.com/security-advisory/sa103
来源:SUSE
链接:http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
来源:CONFIRM
链接:https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
来源:CONFIRM
链接:http://support.ntp.org/bin/view/Main/NtpBug2901
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
来源:CONFIRM
链接:http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit
来源:MISC
链接:https://eprint.iacr.org/2015/1020.pdf
来源:SUSE
链接:http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
来源:us-cert.cisa.gov
链接:https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
来源:www.cybersecurity-help.cz
链接:https://www.cybersecurity-help.cz/vdb/SB2021061008
来源:us-cert.cisa.gov
链接:https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
受影响实体
- Ntp Ntp:4.2.0<!--2000-1-1-->
- Ntp Ntp:4.2.2<!--2000-1-1-->
- Ntp Ntp:4.2.2:P1<!--2000-1-1-->
- Ntp Ntp:4.2.2:P2<!--2000-1-1-->
- Ntp Ntp:4.2.2:P3<!--2000-1-1-->
补丁
- NTP 拒绝服务漏洞的修复措施<!--2015-10-27-->
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