Date: Wed, 27 Nov 2013 17:21:05 +0000 From: Tom Evans <tevans.uk@googlemail.com> To: Cristiano Deana <cristiano.deana@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: [request] ntp upgrade Message-ID: <CAFHbX1KKMHgsRgFgmxvYBgJJvyhd%2BqwxDGg6yDUFsj3MwjBR8Q@mail.gmail.com> In-Reply-To: <CAO82ECH8YXswVMuxzcnjfE9-KRvD-aKh6sRVJ7odRpB02aCXrA@mail.gmail.com> References: <CAO82ECHMS-JUWC4TGwZpfU0opKE-2rOgW8RLOiR23RzVKgFJ3w@mail.gmail.com> <CAFHbX1%2B4%2BydUf=4VTrkP5TyQHxDc31F8Uh48mVzyyfoDpsMLYA@mail.gmail.com> <CAO82ECH8YXswVMuxzcnjfE9-KRvD-aKh6sRVJ7odRpB02aCXrA@mail.gmail.com>
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On Wed, Nov 27, 2013 at 4:10 PM, Cristiano Deana <cristiano.deana@gmail.com> wrote: > On Wed, Nov 27, 2013 at 5:06 PM, Tom Evans <tevans.uk@googlemail.com> wrote: > >> >> > There is a bug in older versions (< 4.2.7) who allows attacker use an >> > ntp >> > server to DDoS. This has been corrected in new version: >> > https://cert.litnet.lt/en/docs/ntp-distributed-reflection-dos-attacks >> > >> > This attack seems to be increasing in the last few weeks. >> > >> > net/ntp-devel is Ok. >> >> >> ntp 4.2.4p8 isn't vulnerable. >> >> http://www.cvedetails.com/vulnerability-list/vendor_id-2153/NTP.html >> >> The reflection attack is the first in the list, 4.2.4p7 and below are >> affected. > > > > Thank you, Tom for your quick reply. > > That is not the same bug. I had two ntpd with 4.2.4p8 used the last days to > DDoS. I found the link below, used net/ntp-devel and the abuse was gone. > Does it have a CVE? The article is low on content :( Cheers Tom
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