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Bug 679742 (CVE-2019-8936) - <net-misc/ntp-4.2.8_p13: Crafted null dereference attack in authenticated mode 6 packet
Summary: <net-misc/ntp-4.2.8_p13: Crafted null dereference attack in authenticated mod...
Status: RESOLVED FIXED
Alias: CVE-2019-8936
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal normal
Assignee: Gentoo Security
URL: https://bugzilla.redhat.com/show_bug....
Whiteboard: A3 [glsa+ cve]
Keywords:
Depends on:
Blocks:
 
Reported: 2019-03-08 08:20 UTC by Agostino Sarubbo
Modified: 2019-03-19 03:21 UTC (History)
1 user (show)

See Also:
Package list:
net-misc/ntp-4.2.8_p13
Runtime testing required: ---
stable-bot: sanity-check+

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Description Agostino Sarubbo gentoo-dev 2019-03-08 08:20:26 UTC 
From ${URL} :

A flaw was found in ntp before version 4.2.8p13. An authenticated attacker can cause ntpd to sigsegv by triggering a NULL pointer exception.

Upstream issue:

http://bugs.ntp.org/show_bug.cgi?id=3565

Upstream patch:

http://bk.ntp.org/ntp-stable/ntpd/ntp_control.c?PAGE=diffs&REV=5c8106e7wWtXdh0lzg1ytlWribBTcQ

References:

https://gitlab.com/NTPsec/ntpsec/issues/509


@maintainer(s): after the bump, in case we need to stabilize the package, please let us know if it is ready for the stabilization or not.
Comment 1 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-08 12:29:52 UTC 
amd64 stable
Comment 2 Rolf Eike Beer archtester 2019-03-08 20:40:05 UTC 
sparc stable
Comment 3 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-09 08:15:35 UTC 
s390 stable
Comment 4 Thomas Deutschmann (RETIRED) gentoo-dev 2019-03-09 19:20:17 UTC 
x86 stable
Comment 5 Mart Raudsepp gentoo-dev 2019-03-10 08:36:45 UTC 
arm64 stable
Comment 6 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-10 14:36:29 UTC 
arm stable
Comment 7 Sergei Trofimovich (RETIRED) gentoo-dev 2019-03-11 22:48:28 UTC 
hppa stable
Comment 8 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-15 09:52:33 UTC 
ppc stable
Comment 9 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-15 09:52:54 UTC 
ppc64 stable
Comment 10 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-15 09:53:16 UTC 
ia64 stable
Comment 11 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-16 17:27:47 UTC 
sh stable
Comment 12 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-16 17:28:07 UTC 
m68k stable
Comment 13 Mikle Kolyada (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2019-03-16 17:28:33 UTC 
alpha stable
Comment 14 GLSAMaker/CVETool Bot gentoo-dev 2019-03-19 03:21:45 UTC 
This issue was resolved and addressed in
 GLSA 201903-15 at https://security.gentoo.org/glsa/201903-15
by GLSA coordinator Aaron Bauman (b-man).