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Debian LTS: Security Advisory for ntp (DLA-2201-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'ntp' package(s) announced via the DLA-2201-1 advisory.
Insight
Insight
A Denial of Service (DoS) vulnerability was discovered in the network time protocol server/client, ntp. ntp allowed an 'off-path' attacker to block unauthenticated synchronisation via a server mode packet with a spoofed source IP address because transmissions were rescheduled even if a packet lacked a valid 'origin timestamp'
Affected Software
Affected Software
'ntp' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 8 'Jessie', this issue has been fixed in ntp version 1:4.2.6.p5+dfsg-7+deb8u3. We recommend that you upgrade your ntp packages.