Bugzilla will be upgraded to version 5.0 on a still to be determined date in the near future. The original upgrade date has been delayed.
First Last Prev Next    This bug is not in your last search results.
Bug 1331464 - (CVE-2016-1550) CVE-2016-1550 ntp: libntp message digest disclosure
CVE-2016-1550 ntp: libntp message digest disclosure
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
: ---
: ---
Assigned To: Red Hat Product Security
impact=low,public=20160426,reported=2...
: Security
Depends On: 1332160 1332478 1332479 1332480 1332481 1356969
Blocks: 1331437
  Show dependency tree / graph
 
Reported: 2016-04-28 10:52 EDT by Martin Prpič
Modified: 2016-08-03 03:43 EDT (History)
7 users (show)

See Also:
Fixed In Version: ntp 4.2.8p7
Doc Type: Bug Fix
Doc Text:
A flaw was found in the way NTP's libntp performed message authentication. An attacker able to observe the timing of the comparison function used in packet authentication could potentially use this flaw to recover the message digest.
Story Points: ---
Clone Of:
Environment:
Last Closed: 2016-05-31 04:23:27 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
Add an attachment (proposed patch, testcase, etc.)


External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Knowledge Base (Solution) 2300641 None None None 2016-05-05 21:28 EDT
Red Hat Product Errata RHSA-2016:1141 normal SHIPPED_LIVE Moderate: ntp security update 2016-05-31 08:11:54 EDT
Red Hat Product Errata RHSA-2016:1552 normal SHIPPED_LIVE Moderate: ntp security update 2016-08-03 07:43:21 EDT

  None (edit)
Description Martin Prpič 2016-04-28 10:52:05 EDT 
The follwing flaw was found in NTP:

An exploitable vulnerability exists in the message authentication functionality of Network Time Protocol libntp. An attacker can send a series of crafted messages to attempt to recover the message digest key.

Upstream bugs:

http://support.ntp.org/bin/view/Main/NtpBug2879

External References:

http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security
http://www.talosintel.com/reports/TALOS-2016-0084/
Comment 1 Martin Prpič 2016-05-02 07:37:49 EDT 
Created ntp tracking bugs for this issue:

Affects: fedora-all [bug 1332160]
Comment 3 Fedora Update System 2016-05-07 07:42:22 EDT 
ntp-4.2.6p5-40.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 4 Fedora Update System 2016-05-10 13:58:46 EDT 
ntp-4.2.6p5-40.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2016-05-12 03:21:56 EDT 
ntp-4.2.6p5-40.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Comment 6 errata-xmlrpc 2016-05-31 04:12:57 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 6

Via RHSA-2016:1141 https://access.redhat.com/errata/RHSA-2016:1141
Comment 8 errata-xmlrpc 2016-08-03 03:43:51 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6.7 Extended Update Support

Via RHSA-2016:1552 https://rhn.redhat.com/errata/RHSA-2016-1552.html
Note You need to log in before you can comment on or make changes to this bug.
First Last Prev Next    This bug is not in your last search results.