CVE-2015-7973

NTP before 4.2.8p6 and 4.3.x before 4.3.90, when configured in broadcast mode, allows man-in-the-middle attackers to conduct replay attacks by sniffing the network.

• CWE-254

• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.htmlBroken Link
• http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.htmlBroken Link
• http://support.ntp.org/bin/view/Main/NtpBug2935Vendor Advisory
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpdThird Party Advisory
• http://www.securityfocus.com/bid/81963Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1034782Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-3096-1Third Party Advisory
• https://bto.bluecoat.com/security-advisory/sa113Third Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfThird Party Advisory
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_usThird Party Advisory
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_usThird Party Advisory
• https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.ascThird Party Advisory
• https://security.gentoo.org/glsa/201607-15Third Party Advisory
• https://security.netapp.com/advisory/ntap-20171031-0001/Third Party Advisory
• https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11Third Party Advisory, US Government Resource
• https://www.kb.cert.org/vuls/id/718152Third Party Advisory, US Government Resource
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.htmlBroken Link
• http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.htmlBroken Link
• http://support.ntp.org/bin/view/Main/NtpBug2935Vendor Advisory
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpdThird Party Advisory
• http://www.securityfocus.com/bid/81963Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1034782Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-3096-1Third Party Advisory
• https://bto.bluecoat.com/security-advisory/sa113Third Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfThird Party Advisory
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_usThird Party Advisory
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_usThird Party Advisory
• https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.ascThird Party Advisory
• https://security.gentoo.org/glsa/201607-15Third Party Advisory
• https://security.netapp.com/advisory/ntap-20171031-0001/Third Party Advisory
• https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11Third Party Advisory, US Government Resource
• https://www.kb.cert.org/vuls/id/718152Third Party Advisory, US Government Resource

Published

Jan 30, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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