The rate limiting feature in NTP 4.x before 4.2.8p4 and...

Vulnerability Description

The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of crafted requests.

References

• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
• https://www.kb.cert.org/vuls/id/718152
• http://www.ubuntu.com/usn/USN-2783-1
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
• http://www.securityfocus.com/bid/77284
• https://support.citrix.com/article/CTX220112
• http://www.securitytracker.com/id/1033951
• http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
• https://www.cs.bu.edu/~goldbe/NTPattack.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
• https://eprint.iacr.org/2015/1020.pdf
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
• https://bugzilla.redhat.com/show_bug.cgi?id=1274184
• http://support.ntp.org/bin/view/Main/NtpBug2901
• http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
• https://security.gentoo.org/glsa/201607-15
• https://security.netapp.com/advisory/ntap-20171004-0001/
• http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
• https://bto.bluecoat.com/security-advisory/sa103
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
• http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html
• http://www.securityfocus.com/archive/1/536796/100/0/threaded
• http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
• http://www.securityfocus.com/archive/1/536737/100/0/threaded
• http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
• https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
• https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
• https://www.arista.com/en/support/advisories-notices/security-advisories/1212-security-advisory-0016