CVE-2015-8138

MEDIUM

NTP <4.2.8p6, <4.3.90 - Auth Bypass

Title source: llm

Description

NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to bypass the origin timestamp validation via a packet with an origin timestamp set to zero.

References (32)

Core 32

Core References

Third Party Advisory vendor-advisory x_refsource_cisco

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd

Third Party Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-3096-1

Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2016/dsa-3629

Vendor Advisory x_refsource_confirm

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

Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1034782

Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html

Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn

https://www.kb.cert.org/vuls/id/718152

Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html

Third Party Advisory vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2016-0063.html

Vendor Advisory x_refsource_confirm

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

Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.html

Vendor Advisory x_refsource_confirm

http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Vendor Advisory x_refsource_confirm

https://security.netapp.com/advisory/ntap-20171004-0002/

Vendor Advisory x_refsource_confirm

https://security.netapp.com/advisory/ntap-20171031-0001/

Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html

Third Party Advisory vendor-advisory x_refsource_cisco

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd

Third Party Advisory vendor-advisory x_refsource_cisco

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161123-ntpd

Vendor Advisory x_refsource_confirm

http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security

Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.html

Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html

Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/81811

Various Sources vendor-advisory x_refsource_freebsd

https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc

Third Party Advisory x_refsource_confirm

https://bto.bluecoat.com/security-advisory/sa113

Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/201607-15

Vendor Advisory x_refsource_confirm

https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf

Third Party Advisory, US Government Resource x_refsource_misc

https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11

Vendor Advisory x_refsource_confirm

https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf

Various Sources x_refsource_misc

https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19

Scores

CVSS v3 5.3

EPSS 0.0625

EPSS Percentile 92.7%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Details

CWE

CWE-20

Status published

Products (50)

ntp/ntp 4.3.0

ntp/ntp 4.3.1

ntp/ntp 4.3.2

ntp/ntp 4.3.3

ntp/ntp 4.3.4

ntp/ntp 4.3.5

ntp/ntp 4.3.6

ntp/ntp 4.3.7

ntp/ntp 4.3.8

ntp/ntp 4.3.10

... and 40 more

Published Jan 30, 2017

Tracked Since Feb 18, 2026