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Viewing changes to retired/CVE-2015-1798

  • Committer: Steve Beattie
  • Date: 2019-02-19 06:18:27 UTC
  • Revision ID: sbeattie@ubuntu.com-20190219061827-oh57fzcfc1u9dlfk
The ubuntu-cve-tracker project has been converted to git.

Please use 'git clone https://git.launchpad.net/ubuntu-cve-tracker' to
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retired/CVE-2015-1798
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PublicDateAtUSN: 2015-04-08
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Candidate: CVE-2015-1798
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PublicDate: 2015-04-08
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References: 
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 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1798
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 http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
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 https://usn.ubuntu.com/usn/usn-2567-1
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Description:
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 The symmetric-key feature in the receive function in ntp_proto.c in ntpd in
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 NTP 4.x before 4.2.8p2 requires a correct MAC only if the MAC field has a
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 nonzero length, which makes it easier for man-in-the-middle attackers to
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 spoof packets by omitting the MAC.
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Ubuntu-Description: 
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Notes: 
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 mdeslaur> 4.2.5p99+ only
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Bugs:
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 http://bugs.ntp.org/show_bug.cgi?id=2779 
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Priority: medium
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Discovered-by: Miroslav Lichvar
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Assigned-to: mdeslaur
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Patches_ntp:
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 upstream: http://bk.ntp.org/ntp-stable/?PAGE=patch&REV=550a80b0iGyIv4t9J1GJ_74V_eEx4A
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upstream_ntp: released (4.2.8p2)
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lucid_ntp: not-affected (1:4.2.4p8+dfsg-1ubuntu2.3)
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precise_ntp: released (1:4.2.6.p3+dfsg-1ubuntu3.4)
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trusty_ntp: released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.3)
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utopic_ntp: released (1:4.2.6.p5+dfsg-3ubuntu2.14.10.3)
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devel_ntp: released (1:4.2.6.p5+dfsg-3ubuntu5)