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CVE-2019-6443

Published: 16 January 2019

An issue was discovered in NTPsec before 1.1.3. Because of a bug in ctl_getitem, there is a stack-based buffer over-read in read_sysvars in ntp_control.c in ntpd.

Priority

Medium

Cvss 3 Severity Score

9.1

Score breakdown

Status

Package Release Status
ntpsec
Launchpad, Ubuntu, Debian
bionic
Released (1.1.0+dfsg1-1ubuntu0.2)
cosmic
Released (1.1.1+dfsg1-2ubuntu0.1)
trusty Does not exist

upstream
Released (1.1.3+dfsg1-1)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 9.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H