CVE-2018-12327
Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or escalate to higher privileges via a long string as the argument for an IPv4 or
02 Description
Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or escalate to higher privileges via a long string as the argument for an IPv4 or
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 27.51% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.0% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-06-20 14:00Z8 YR AGO
- Last updated
- 2024-08-05 08:30Z2 YR AGO
- Reserved
- 2018-06-13
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 46c4b2923cec7890ae8961006fd45e196ac3ae60fd0e81b6f8404758d9387362
05 Affected products
06 References
- access.redhat.comRHSA-2018:3854https://access.redhat.com/errata/RHSA-2018:3854
- gist.github.comhttps://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f
- www.securityfocus.com104517http://www.securityfocus.com/bid/104517
- www.exploit-db.com44909https://www.exploit-db.com/exploits/44909/
- access.redhat.comRHSA-2018:3853https://access.redhat.com/errata/RHSA-2018:3853
- security.gentoo.orgGLSA-201903-15https://security.gentoo.org/glsa/201903-15
- access.redhat.comRHSA-2019:2077https://access.redhat.com/errata/RHSA-2019:2077
- support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
- usn.ubuntu.comUSN-4229-1https://usn.ubuntu.com/4229-1/
07 Fixed in
Arch Linux
- ntp Fixed in 4.2.8.p12-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 11
- ntp No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- ntp Fixed in 1:4.2.8p4+dfsg-3ubuntu5.10
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- ntp Fixed in 1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- ntp Fixed in 1:4.2.8p10+dfsg-5ubuntu7.3+esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.