CVE-2015-7973

MEDIUM

NTP <4.2.8p6 & <4.3.90 - Info Disclosure

Title source: llm

Description

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.

References (22)

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html

[Broken Link] http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html

[Vendor Advisory] http://support.ntp.org/bin/view/Main/NtpBug2935

[Third Party Advisory] http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/81963

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1034782

[Third Party Advisory] http://www.ubuntu.com/usn/USN-3096-1

[Third Party Advisory] https://bto.bluecoat.com/security-advisory/sa113

[Third Party Advisory] https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf

[Third Party Advisory] https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us

[Third Party Advisory] https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us

[Third Party Advisory] https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc

[Third Party Advisory] https://security.gentoo.org/glsa/201607-15

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20171031-0001/

... and 2 more

Scores

CVSS v3 6.5

EPSS 0.0860

EPSS Percentile 92.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Classification

CWE

CWE-254

Status published

Affected Products (50)

ntp/ntp < 4.2.8

ntp/ntp

... and 35 more

Timeline

Published Jan 30, 2017

Tracked Since Feb 18, 2026