CVE-2018-7185

HIGH EPSS 94.7%
Published Mar 6, 20188y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Mar 6, 2018 8y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
94.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Affected Products 63

VendorProductVersionRange
ntpntp*≥4.2.6  –  <4.2.8
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
ntpntp4.2.8any
synologyrouter_manager*≥1.1  –  <1.1.6-6931-3
synologyskynas* <6.1.5-15254
synologyvirtual_diskstation_manager* <6.1.6-15266
synologydiskstation_manager*≥5.2  –  <6.1.6-15266
synologyvs960hd_firmware* <2.2.3-1505
synologyvs960hd*any
canonicalubuntu_linux12.04any
canonicalubuntu_linux14.04any
canonicalubuntu_linux16.04any
canonicalubuntu_linux17.10any
canonicalubuntu_linux18.04any
netapphci*any
netappsolidfire*any
hpehpux-ntp* <c.4.2.8.4.0
oraclefujitsu_m10-1_firmware* <xcp2361
oraclefujitsu_m10-1*any
oraclefujitsu_m10-4_firmware* <xcp2361
oraclefujitsu_m10-4*any
oraclefujitsu_m10-4s_firmware* <xcp2361
oraclefujitsu_m10-4s*any
oraclefujitsu_m12-1_firmware* <xcp2361
oraclefujitsu_m12-1*any
oraclefujitsu_m12-2_firmware* <xcp2361
oraclefujitsu_m12-2*any
oraclefujitsu_m12-2s_firmware* <xcp2361
oraclefujitsu_m12-2s*any
oraclefujitsu_m10-1_firmware* <xcp3070
oraclefujitsu_m10-1*any
oraclefujitsu_m10-4_firmware* <xcp3070
oraclefujitsu_m10-4*any
oraclefujitsu_m10-4s_firmware* <xcp3070
oraclefujitsu_m10-4s*any
oraclefujitsu_m12-1_firmware* <xcp3070
oraclefujitsu_m12-1*any
oraclefujitsu_m12-2_firmware* <xcp3070
oraclefujitsu_m12-2*any
oraclefujitsu_m12-2s_firmware* <xcp3070
oraclefujitsu_m12-2s*any

References 12

  • packetstormsecurity.com http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html
    Third Party AdvisoryVDB Entry
  • support.ntp.org http://support.ntp.org/bin/view/Main/NtpBug3454
    MitigationVendor Advisory
  • securityfocus.com http://www.securityfocus.com/archive/1/541824/100/0/threaded
    Third Party AdvisoryVDB Entry
  • securityfocus.com http://www.securityfocus.com/bid/103339
    Third Party AdvisoryVDB Entry
  • security.freebsd.org https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
    Third Party Advisory
  • security.gentoo.org https://security.gentoo.org/glsa/201805-12
    Third Party Advisory
  • security.netapp.com https://security.netapp.com/advisory/ntap-20180626-0001/
    Third Party Advisory
  • support.hpe.com https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
    Third Party Advisory
  • usn.ubuntu.com https://usn.ubuntu.com/3707-1/
    Third Party Advisory
  • usn.ubuntu.com https://usn.ubuntu.com/3707-2/
    Third Party Advisory
  • oracle.com https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
    Third Party Advisory
  • synology.com https://www.synology.com/support/security/Synology_SA_18_13
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.