CVE-2015-1853

Medium

Description

chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets.

SeverityMedium
CVSS6.5
Exploit probability—
ProductTuxfamily Chrony
PublishedDec 9, 2019
First seenDec 9, 2019

How to fix

Update
  • tuxfamily chrony1.31.1 or later

Affected products

ProductAffected versionsFixed in
tuxfamily chronyv < 1.31.11.31.1

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