CVE-2015-7974

ntp: missing key check allows impersonation between authenticated peers (VU#357792)

Published Jan 26, 2016 CVSS 3.1 · 7.7 High EPSS 5.7% KEV · Not listed
Description
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."

Remediation

No solution or workaround provided in the CVE record

Tracking

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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
History

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