CVE-2016-9042

An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted peers will fail the origin timestamp check (TEST2) causing the reply to be dropped and creating a denial of service condition.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
talosCNA
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
ntpntp
4.2.8:p9
freebsdfreebsd
10.0
freebsdfreebsd
11.0
siemenssimatic_net_cp_443-1_opc_ua_firmware
*
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ntp
bullseye
1:4.2.8p15+dfsg-1
fixed
jessie
not-affected
wheezy
not-affected
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ntp
zesty
Fixed 1:4.2.8p9+dfsg-2ubuntu1.1
released
yakkety
Fixed 1:4.2.8p8+dfsg-1ubuntu2.1
released
xenial
not-affected
trusty
not-affected
precise
not-affected
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/142101/FreeBSD-Security-Advisory-FreeBSD-SA-17-03.ntp.html
http://packetstormsecurity.com/files/142284/Slackware-Security-Advisory-ntp-Updates.html
http://seclists.org/fulldisclosure/2017/Nov/7
http://seclists.org/fulldisclosure/2017/Sep/62
http://www.securityfocus.com/archive/1/540403/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540403/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540464/100/0/threaded
http://www.securityfocus.com/bid/97046
http://www.securitytracker.com/id/1038123
http://www.securitytracker.com/id/1039427
http://www.ubuntu.com/usn/USN-3349-1
https://bto.bluecoat.com/security-advisory/sa147
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
https://kc.mcafee.com/corporate/index?page=content&id=SB10201
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KVLFA3J43QFIP4I7HE7KQ5FXSMJEKC6/
https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc
https://support.apple.com/kb/HT208144
https://support.f5.com/csp/article/K39041624
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0260
http://packetstormsecurity.com/files/142101/FreeBSD-Security-Advisory-FreeBSD-SA-17-03.ntp.html
http://packetstormsecurity.com/files/142284/Slackware-Security-Advisory-ntp-Updates.html
http://seclists.org/fulldisclosure/2017/Nov/7
http://seclists.org/fulldisclosure/2017/Sep/62
http://www.securityfocus.com/archive/1/540403/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540403/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540464/100/0/threaded
http://www.securityfocus.com/bid/97046
http://www.securitytracker.com/id/1038123
http://www.securitytracker.com/id/1039427
http://www.ubuntu.com/usn/USN-3349-1
https://bto.bluecoat.com/security-advisory/sa147
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
https://kc.mcafee.com/corporate/index?page=content&id=SB10201
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KVLFA3J43QFIP4I7HE7KQ5FXSMJEKC6/
https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc
https://support.apple.com/kb/HT208144
https://support.f5.com/csp/article/K39041624
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0260