CVE-2018-7182

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 28.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-03-06 · updated 2026-06-17
Weakness: CWE-125

Description

The ctl_getitem method in ntpd in ntp-4.2.8p6 before 4.2.8p11 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted mode 6 packet with a ntpd instance from 4.2.8p6 through 4.2.8p10.

Affected products

Canonical Ubuntu Linux: 17.10, 18.04
NetApp Element Software: all versions
NTP: 4.2.8-p10, 4.2.8-p6, 4.2.8-p7, 4.2.8-p8, 4.2.8-p9

References

http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html
http://support.ntp.org/bin/view/Main/NtpBug3412
http://www.securityfocus.com/archive/1/541824/100/0/threaded
http://www.securityfocus.com/bid/103191
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
https://security.gentoo.org/glsa/201805-12
https://security.netapp.com/advisory/ntap-20180626-0001/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
https://usn.ubuntu.com/3707-1/
https://www.exploit-db.com/exploits/45846/
https://www.synology.com/support/security/Synology_SA_18_13
http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html

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