CVE-2016-7433

moderate-risk

Published 2017-01-13

NTP before 4.2.8p9 does not properly perform the initial sync calculations, which allows remote attackers to unspecified impact via unknown vectors, related to a "root distance that did not include the peer dispersion."

Do I need to act?

6.8% 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

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Ntp

Affected Vendors

Ntp

References (50)

http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html

Release Notes http://nwtime.org/ntp428p9_release/

http://rhn.redhat.com/errata/RHSA-2017-0252.html

Issue Tracking http://support.ntp.org/bin/view/Main/NtpBug3067

Vendor Advisory http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-ntpd-en

http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

http://www.securityfocus.com/archive/1/539955/100/0/threaded

http://www.securityfocus.com/archive/1/540254/100/0/threaded

http://www.securityfocus.com/archive/1/archive/1/539955/100/0/threaded

http://www.securityfocus.com/archive/1/archive/1/540254/100/0/threaded

http://www.securityfocus.com/bid/94455

http://www.securitytracker.com/id/1037354

http://www.ubuntu.com/usn/USN-3349-1

https://bto.bluecoat.com/security-advisory/sa139

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

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

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

and 30 more references

/ 100

moderate-risk

Severity 21/34 · High

Exploitability 9/34 · Low

Exposure 5/34 · Minimal