Bug 1189410 - ntp: ACL bypass via ::1 IPv6 address spoofing
Summary: ntp: ACL bypass via ::1 IPv6 address spoofing
Keywords:
Status: CLOSED DUPLICATE of bug 1184572
Alias: None
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: 1189411
TreeView+ depends on / blocked
 
Reported: 2015-02-05 09:18 UTC by Martin Prpič
Modified: 2021-02-17 05:41 UTC (History)
2 users (show)

Fixed In Version: ntp 4.2.8p1
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-02-05 09:49:54 UTC
Embargoed:

Attachments (Terms of Use)

Description Martin Prpič 2015-02-05 09:18:25 UTC 
It was found that NTP's access control implementation did not properly restrict access originating from the ::1 IPv6 address. A remote attacker could spoof the ::1 address and bypass intended access restrictions on the system.

External References:

http://support.ntp.org/bin/view/Main/SecurityNotice#1_can_be_spoofed_on_some_OSes_so
Comment 1 Martin Prpič 2015-02-05 09:21:53 UTC 
Created ntp tracking bugs for this issue:

Affects: fedora-all [bug 1189413]
Comment 2 Martin Prpič 2015-02-05 09:49:54 UTC 

*** This bug has been marked as a duplicate of bug 1184572 ***
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