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Bug 679742 (CVE-2019-8936)

Summary: <net-misc/ntp-4.2.8_p13: Crafted null dereference attack in authenticated mode 6 packet
Product: Gentoo Security Reporter: Agostino Sarubbo <ago>
Component: VulnerabilitiesAssignee: Gentoo Security <security>
Status: RESOLVED FIXED    
Severity: normal CC: base-system
Priority: Normal Flags: stable-bot: sanity-check+
Version: unspecified   
Hardware: All   
OS: Linux   
URL: https://bugzilla.redhat.com/show_bug.cgi?id=1686605
Whiteboard: A3 [glsa+ cve]
Package list:
net-misc/ntp-4.2.8_p13
Runtime testing required: ---

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).