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Amazon Linux AMI: CVE-2015-7974: Security patch for ntp (ALAS-2016-649)

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Amazon Linux AMI: CVE-2015-7974: Security patch for ntp (ALAS-2016-649)

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:P/A:N)
Published
01/26/2016
Created
03/19/2019
Added
09/19/2018
Modified
06/22/2020

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."

Solution(s)

  • amazon-linux-upgrade-ntp

References

  • ALAS-2016-649
  • DLA-559-1
  • DSA-3629
  • CVE-2015-7974
  • USN-3096-1

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