High severity · published Mar 6, 2018
CVE-2018-7185
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…
7.5
CVSS
9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.0% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DM
Diskstation Manager · Synology
5.2 before 6.1.6-15266 · source: NVD
FM
Fujitsu M10-1 Firmware · Oracle
before xcp2361; before xcp3070 · source: NVD
FM
Fujitsu M10-4 Firmware · Oracle
before xcp2361; before xcp3070 · source: NVD
FM
Fujitsu M10-4s Firmware · Oracle
before xcp2361; before xcp3070 · source: NVD
FM
Fujitsu M12-1 Firmware · Oracle
before xcp2361; before xcp3070 · source: NVD
FM
Fujitsu M12-2 Firmware · Oracle
before xcp2361; before xcp3070 · source: NVD
FM
Fujitsu M12-2s Firmware · Oracle
before xcp2361; before xcp3070 · source: NVD
HC
Hci · Netapp
All versions, or not specified · source: NVD
HP
Hpux-ntp · Hpe
before c.4.2.8.4.0 · source: NVD
NT
Ntp · Ntp
4.2.6 before 4.2.8; 4.2.8; 4.2.8; 4.2.8; 4.2.8; 4.2.8; +19 more · source: NVD
RM
Router Manager · Synology
1.1 before 1.1.6-6931-3 · source: NVD
SK
Skynas · Synology
before 6.1.5-15254 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-7185
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-7185
Third Party Advisory
http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html
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
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