NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-559-1 ntp security update
Debian DSA Debian DSA DSA-3629-1 ntp security update
EUVD EUVD EUVD-2015-7871 NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."
Ubuntu USN Ubuntu USN USN-3096-1 NTP vulnerabilities
Fixes

Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T08:06:31.462Z

Reserved: 2015-10-23T00:00:00.000Z

Link: CVE-2015-7974

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-01-26T19:59:00.107

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-7974

cve-icon Redhat

Severity : Low

Publid Date: 2016-01-20T00:00:00Z

Links: CVE-2015-7974 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses