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: 2021-02-17 02:50 UTC (History)
3 users (show)

Fixed In Version: ntp 4.2.8p9
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-01-04 08:35:21 UTC
Embargoed:

Attachments (Terms of Use)

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.
Note You need to log in before you can comment on or make changes to this bug.