CVE-2018-7183
9.8
CRITICAL · CVSS 3.0 · EPSS 10.2% (pctl 96)
Patch early
EPSS 10.2% — above the 10% action threshold.
Description
Buffer overflow in the decodearr function in ntpq in ntp 4.2.8p6 through 4.2.8p10 allows remote attackers to execute arbitrary code by leveraging an ntpq query and sending a response with a crafted array.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 10.21% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-03-08 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| freebsd | freebsd |
| netapp | element software |
| ntp | ntp |
References
- http://support.ntp.org/bin/view/Main/NtpBug3414
- http://support.ntp.org/bin/view/Main/SecurityNotice#February_2018_ntp_4_2_8p11_NTP_S
- http://www.securityfocus.com/bid/103351
- 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://usn.ubuntu.com/3707-2/
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.synology.com/support/security/Synology_SA_18_13
- http://support.ntp.org/bin/view/Main/NtpBug3414
- http://support.ntp.org/bin/view/Main/SecurityNotice#February_2018_ntp_4_2_8p11_NTP_S
- http://www.securityfocus.com/bid/103351
- 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://usn.ubuntu.com/3707-2/
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