Bug 1410014 (CVE-2016-9312) - CVE-2016-9312 ntp: DoS by oversized UDP packet
Summary: CVE-2016-9312 ntp: DoS by oversized UDP packet
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2016-9312
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1397349
TreeView+ depends on / blocked
 
Reported: 2017-01-04 08:33 UTC by Martin Prpič
Modified: 2019-09-29 14:03 UTC (History)
3 users (show)

Fixed In Version: ntp 4.2.8p9
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Clone Of:
Environment:
Last Closed: 2017-01-04 08:35:21 UTC


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Description Martin Prpič 2017-01-04 08:33:04 UTC
A flaw in NTP was reported:

If a vulnerable instance of ntpd on Windows receives a crafted malicious packet that is "too big", ntpd will stop working. 

Note: this flaw only affects instances of ntpd running on the Windows OS.

Comment 1 Martin Prpič 2017-01-04 08:33:19 UTC
External References:

http://support.ntp.org/bin/view/Main/NtpBug3110

Comment 2 Martin Prpič 2017-01-04 08:35:30 UTC
Statement:

This issue did not affect the versions of ntp as shipped with Red Hat Enterprise Linux 5, 6, and 7. This issue only affected ntpd running on the Windows OS.


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