5.3med

CVE-2016-1550

An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f4…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.6%
percentile 90%
Public exploits
0
none known

Summary

An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.

Exploit prediction (EPSS)

3.60% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • NTP Project NTP
  • NTPsec Project NTPSec

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

  • ubuntu.com /usn/USN-3096-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • debian.org /security/2016/dsa-3629 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinapr2016-2952096.html · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2016:1141 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-07/msg00026.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • kb.cert.org /vuls/id/718152 · third-party-advisory, x_refsource_CERT-VN, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1552.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securitytracker.com /id/1035705 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • oracle.com /technetwork/topics/security/bulletinapr2016-2952098.html · x_refsource_CONFIRM, x_transferred
  • security.netapp.com /advisory/ntap-20171004-0002/ · x_refsource_CONFIRM, x_transferred
  • talosintelligence.com /reports/TALOS-2016-0084/ · x_refsource_MISC, x_transferred
  • tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd · vendor-advisory, x_refsource_CISCO, x_transferred
  • security.freebsd.org /advisories/FreeBSD-SA-16:16.ntp.asc · vendor-advisory, x_refsource_FREEBSD, x_transferred
  • securityfocus.com /bid/88261 · vdb-entry, x_refsource_BID, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00042.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-05/msg00114.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • security.gentoo.org /glsa/201607-15 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-05/msg00052.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • packetstormsecurity.com /files/136864/Slackware-Security-Advisory-ntp-Updates.html · x_refsource_MISC, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00001.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2016-May/184669.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-05/msg00037.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • debian.org /security/2016/dsa-3629 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • talosintelligence.com /vulnerability_reports/TALOS-2016-0084 · x_refsource_MISC, x_transferred
  • securityfocus.com /archive/1/538233/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00020.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • securityfocus.com /archive/1/archive/1/538233/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-05/msg00034.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2016-May/183647.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • cert-portal.siemens.com /productcert/pdf/ssa-497656.pdf · x_refsource_CONFIRM, x_transferred
  • us-cert.cisa.gov /ics/advisories/icsa-21-103-11 · x_refsource_MISC, x_transferred
  • cert-portal.siemens.com /productcert/pdf/ssa-211752.pdf · x_refsource_CONFIRM, x_transferred
  • us-cert.cisa.gov /ics/advisories/icsa-21-159-11 · x_refsource_MISC, x_transferred
  • arista.com /en/support/advisories-notices/security-advisories/1332-security-advisory-19 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.