CVE-2016-4955
MEDIUM 5.9
At a glance
- Source
- NVD
- EPSS
- EPSS 8.77 % · percentile 95 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
Description
ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service (peer-variable clearing and association outage) by sending (1) a spoofed crypto-NAK packet or (2) a packet with an incorrect MAC value at a certain time.
Weaknesses (CWE)
- CWE-362 — Race Condition
References
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html
- http://www.ubuntu.com/usn/USN-3096-1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/
- http://www.securityfocus.com/bid/91007
- http://support.ntp.org/bin/view/Main/NtpBug3043
- http://www.securitytracker.com/id/1036037
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
- http://bugs.ntp.org/3043
- http://www.kb.cert.org/vuls/id/321640
- http://support.ntp.org/bin/view/Main/SecurityNotice
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html
- https://security.gentoo.org/glsa/201607-15
- http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd
- http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
- http://www.securityfocus.com/archive/1/538599/100/0/threaded
- http://www.securityfocus.com/archive/1/538600/100/0/threaded
- https://www.kb.cert.org/vuls/id/321640
- http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2016-5929
- GCVE · GCVE-0-2016-4955
CERT-FR advisories
- CERTFR-2022-AVI-124 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
- CERTFR-2021-AVI-442 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
- CERTFR-2016-AVI-209 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*≥ 4.2.0 < 4.2.8cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*≥ 4.3.0 < 4.3.93cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*cpe:2.3:a:suse:manager_proxy:2.1:*:*:*:*:*:*:*cpe:2.3:a:suse:openstack_cloud:5:*:*:*:*:*:*:*cpe:2.3:o:novell:suse_manager:2.1:*:*:*:*:*:*:*cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:*:*:*:*:*:*cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:*cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:*cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_net_cp_443-1_opc_ua_firmware:*:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |