CVE-2018-7185

HIGHScheduled

Published:Mar 6, 2018(8 years ago)

Modified:Jan 14, 2025

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

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.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
ntp	ntp	4.2.6 - 4.2.8	-
ntp	ntp	-	-
ntp	ntp	-

Timeline

Published
CVE disclosed publicly
Mar 6, 20188 years ago
Last Modified
Most recent update
Jan 14, 20251 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://packetstormsecurity.com/files/146631/Slackware-Security-Advisor...Third Party Advisory
http://support.ntp.org/bin/view/Main/NtpBug3454Mitigation
http://www.securityfocus.com/archive/1/541824/100/0/threadedThird Party Advisory

CVSS Score

v3.1

7.5/ 10.0

HIGH

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

At a Glance

Affected Products

References

ntp / ntp +49 more

http://www.securityfocus.com/bid/103339Third Party Advisory

https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.ascThird Party Advisory

https://security.gentoo.org/glsa/201805-12Third 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=...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/cpuoct2019-507283...Third Party Advisory

https://www.synology.com/support/security/Synology_SA_18_13Third Party Advisory

http://packetstormsecurity.com/files/146631/Slackware-Security-Advisor...Third Party Advisory

http://support.ntp.org/bin/view/Main/NtpBug3454Mitigation

http://www.securityfocus.com/archive/1/541824/100/0/threadedThird Party Advisory

http://www.securityfocus.com/bid/103339Third Party Advisory

https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.ascThird Party Advisory

https://security.gentoo.org/glsa/201805-12Third 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=...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/cpuoct2019-507283...Third Party Advisory

https://www.synology.com/support/security/Synology_SA_18_13Third Party Advisory

CVSS v3 Vector

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

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityNone

IntegrityNone

AvailabilityHigh

Impact Analysis

ConfidentialityNone

NoneLowHigh

IntegrityNone

NoneLowHigh

AvailabilityHigh

NoneLowHigh

CVE-2018-7185

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description