The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 16 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 44
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.2.0 to before 4.2.8; 4.3.0 to before 4.3.77 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* | 4.2.8 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* | 4.2.8 p1 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* | 4.2.8 p1-beta1 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* | 4.2.8 p1-beta2 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* | 4.2.8 p1-beta3 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* | 4.2.8 p1-beta4 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* | 4.2.8 p1-beta5 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* | 4.2.8 p1-rc1 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* | 4.2.8 p1-rc2 | Vulnerable | NTP Project |
- cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* Versions 4.2.0 to before 4.2.8; 4.3.0 to before 4.3.77 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* Versions 4.2.8 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* Versions 4.2.8 p1 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* Versions 4.2.8 p1-beta1 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* Versions 4.2.8 p1-beta2 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* Versions 4.2.8 p1-beta3 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* Versions 4.2.8 p1-beta4 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* Versions 4.2.8 p1-beta5 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* Versions 4.2.8 p1-rc1 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* Versions 4.2.8 p1-rc2 Vulnerable ·NTP Project
Show 34 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* | 4.2.8 p2 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* | 4.2.8 p2-rc1 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* | 4.2.8 p2-rc2 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* | 4.2.8 p2-rc3 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* | 4.2.8 p3 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* | 4.2.8 p3-rc1 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* | 4.2.8 p3-rc2 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* | 4.2.8 p3-rc3 | Vulnerable | NTP Project |
| cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:* | 6 | Vulnerable | Oracle |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:clustered_data_ontap:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* | 7.7 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* | 7.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:* | 7.7 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* | 7.7 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* Versions 4.2.8 p2 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* Versions 4.2.8 p2-rc1 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* Versions 4.2.8 p2-rc2 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* Versions 4.2.8 p2-rc3 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* Versions 4.2.8 p3 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* Versions 4.2.8 p3-rc1 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* Versions 4.2.8 p3-rc2 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* Versions 4.2.8 p3-rc3 Vulnerable ·NTP Project
- cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:* Versions 6 Vulnerable ·Oracle
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:clustered_data_ontap:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
Red Hat 2 advisories
- RHSA-2016:2583 Released 2016-11-03 · Red Hat rating Moderatentp security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) ntp-4.2.6p5-25.el7, ntpdate-4.2.6p5-25.el7
- Red Hat Enterprise Linux Client Optional (v. 7) ntp-doc-4.2.6p5-25.el7, ntp-perl-4.2.6p5-25.el7, sntp-4.2.6p5-25.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) ntp-4.2.6p5-25.el7, ntpdate-4.2.6p5-25.el7
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) ntp-doc-4.2.6p5-25.el7, ntp-perl-4.2.6p5-25.el7, sntp-4.2.6p5-25.el7
- Red Hat Enterprise Linux Server (v. 7) ntp-4.2.6p5-25.el7, ntpdate-4.2.6p5-25.el7
- Red Hat Enterprise Linux Server Optional (v. 7) ntp-doc-4.2.6p5-25.el7, ntp-perl-4.2.6p5-25.el7, sntp-4.2.6p5-25.el7
- Red Hat Enterprise Linux Workstation (v. 7) ntp-4.2.6p5-25.el7, ntpdate-4.2.6p5-25.el7
- Red Hat Enterprise Linux Workstation Optional (v. 7) ntp-doc-4.2.6p5-25.el7, ntp-perl-4.2.6p5-25.el7, sntp-4.2.6p5-25.el7
- RHSA-2016:0780 Released 2016-05-10 · Red Hat rating Moderatentp security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) ntp-4.2.6p5-10.el6, ntpdate-4.2.6p5-10.el6
- Red Hat Enterprise Linux Desktop Optional (v. 6) ntp-doc-4.2.6p5-10.el6, ntp-perl-4.2.6p5-10.el6
- Red Hat Enterprise Linux HPC Node (v. 6) ntp-4.2.6p5-10.el6, ntpdate-4.2.6p5-10.el6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) ntp-doc-4.2.6p5-10.el6, ntp-perl-4.2.6p5-10.el6
- Red Hat Enterprise Linux Server (v. 6) ntp-4.2.6p5-10.el6, ntpdate-4.2.6p5-10.el6
- Red Hat Enterprise Linux Server Optional (v. 6) ntp-doc-4.2.6p5-10.el6, ntp-perl-4.2.6p5-10.el6
- Red Hat Enterprise Linux Workstation (v. 6) ntp-4.2.6p5-10.el6, ntpdate-4.2.6p5-10.el6
- Red Hat Enterprise Linux Workstation Optional (v. 6) ntp-doc-4.2.6p5-10.el6, ntp-perl-4.2.6p5-10.el6
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2016:2583 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2016:2583 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2016:2583 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2016:2583 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2016:0780 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2016:0780 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2016:0780 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2016:0780 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2016:0780 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2016:2583 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2016:0780 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2016:2583 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2016:0780 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2016:2583 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2016:0780 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2016:2583 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-7703
- 2026-10-03 Alias added: GHSA-p9hx-j72m-8cf4
- 2026-10-21 EPSS moved to the 90th–95th percentile
- 2026-10-25 EPSS moved to the 50th–90th percentile
- 2026-10-27 EPSS moved to the 90th–95th percentile
References
Sources
- CVE-2015-7703 · CVE Program
- CVE-2015-7703 · NVD
- FIRST EPSS
- GHSA-p9hx-j72m-8cf4 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-7703 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences