Bug 1397331 (CVE-2016-7431) - CVE-2016-7431 ntp: Zero Origin timestamp regression
Summary: CVE-2016-7431 ntp: Zero Origin timestamp regression
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2016-7431
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1397349
TreeView+ depends on / blocked
 
Reported: 2016-11-22 10:37 UTC by Adam Mariš
Modified: 2021-02-17 03:00 UTC (History)
5 users (show)

Fixed In Version: ntp-4.2.8p9
Clone Of:
Environment:
Last Closed: 2016-11-24 14:21:20 UTC
Embargoed:

Attachments (Terms of Use)

Description Adam Mariš 2016-11-22 10:37:07 UTC 
Zero Origin timestamp problems were fixed by Bug 2945 in ntp-4.2.8p6. However, subsequent timestamp validation checks introduced a regression in the handling of some Zero origin timestamp checks.

External References:

http://support.ntp.org/bin/view/Main/NtpBug3102
Comment 1 Adam Mariš 2016-11-22 11:09:23 UTC 
Created ntp tracking bugs for this issue:

Affects: fedora-all [bug 1397351]
Comment 3 Adam Mariš 2016-11-24 14:21:20 UTC 
Statement:

This issue did not affect the versions of ntp as shipped with Red Hat Enterprise Linux 5, 6 and 7.
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