CVE-2018-7185

high-risk
Published 2018-03-06

The protocol engine in ntp 4.2.6 before 4.2.8p11 allows a remote attackers to cause a denial of service (disruption) by continually sending a packet with a zero-origin timestamp and source IP address of the "other side" of an interleaved association causing the victim ntpd to reset its association.

Do I need to act?

~
2.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp
Ntp

Affected Vendors

Oracle Hpe Ntp Canonical Netapp Synology

References (24)

Third Party Advisory http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Upda...
Mitigation http://support.ntp.org/bin/view/Main/NtpBug3454
Third Party Advisory http://www.securityfocus.com/archive/1/541824/100/0/threaded
Third Party Advisory http://www.securityfocus.com/bid/103339
Third Party Advisory https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
Third Party Advisory https://security.gentoo.org/glsa/201805-12
Third Party Advisory https://security.netapp.com/advisory/ntap-20180626-0001/
Third Party Advisory https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpe...
Third Party Advisory https://usn.ubuntu.com/3707-1/
Third Party Advisory https://usn.ubuntu.com/3707-2/
Third Party Advisory https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Third Party Advisory https://www.synology.com/support/security/Synology_SA_18_13
Third Party Advisory http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Upda...
Mitigation http://support.ntp.org/bin/view/Main/NtpBug3454
Third Party Advisory http://www.securityfocus.com/archive/1/541824/100/0/threaded
Third Party Advisory http://www.securityfocus.com/bid/103339
Third Party Advisory https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
Third Party Advisory https://security.gentoo.org/glsa/201805-12
Third Party Advisory https://security.netapp.com/advisory/ntap-20180626-0001/
Third Party Advisory https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpe...
and 4 more references
57
/ 100
high-risk
Severity 26/34 · High
Exploitability 6/34 · Minimal
Exposure 25/34 · High