Date: Fri, 18 Jan 2013 13:04:08 -0700 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com CC: Jan Lieskovsky <jlieskov@...hat.com>, "Steven M. Christey" <coley@...us.mitre.org>, Tomas Hozza <thozza@...hat.com>, Josh Stone <jistone@...hat.com> Subject: Re: CVE Request -- dnsmasq: Incomplete fix for the CVE-2012-3411 issue -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 01/18/2013 06:31 AM, Jan Lieskovsky wrote: > Hello Kurt, Steve, vendors, > > the CVE-2012-3411 identifier has been originally assigned to the > following issue: > > When dnsmasq is used in conjunctions with certain configurations of > libvirtd, network packets from prohibited networks (e.g. packets > that should not be passed in) may be sent to the dnsmasq > application and processed. This can result in DNS amplification > attacks for example.  > http://www.openwall.com/lists/oss-security/2012/07/12/5 > > Later it was found:  > https://bugzilla.redhat.com/show_bug.cgi?id=894486  > https://bugzilla.redhat.com/show_bug.cgi?id=894486#c3 > > the upstream patch for CVE-2012-3411 it not to be working > properly, as it still allowed (from ): > > * replies to remote TCP-protocol based DNS queries (UDP protocol > ones were corrected, but TCP ones not) from prohibited networks, > when the --bind-dynamic option was used, > > * when --except-interface lo option was used dnsmasq didn't answer > local or remote UDP DNS queries, but still allowed TCP protocol > based DNS queries, > > * when --except-interface lo option was not used local / remote TCP > DNS queries were also still answered by dnsmasq. > > Could you allocate a new CVE identifier for this? (as an incomplete > fix for CVE-2012-3411 issue) > > Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat > Security Response Team Please use CVE-2013-0198 for this issue. - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJQ+aq3AAoJEBYNRVNeJnmTRxUP/2Qrpz52gOOcAk5Pdc50kue4 nP8i7VOVsV+0rjmJ3U8xbbnERQkzvoNtuTel/wsjg4qT9EY3XUQ4N8qJyYPpJD3U Gsy4BrBeVT9ZpUXiRtKfYxP0E9G6OPGu5tMTK1baYuFRS9czObTBk4JamPnapv9Z t+48GmilchuYlyn0yxRp77aG7nrSt/YCgX7MTdEyAOWP8q+wYPc2/jBkNERcRp1U VMqnTgOWH9IjUXhLWKwmCoJKescbVjRH8snGHeShDx1l+fzwKVEcFt2s5sEX/fll aLoRUOZ9qxAP3wYo0vkeoWEJZr/TxqqAraHi95gkCxtcPCIJ1w+qh1Zg9cOZ8Rnl KfmGbNaiqo3zQo/3lBqCZmTn/DovppQv992b0HMGsGyaRpw1Btylr5txGqWHldcG y31L8Ij5SuKmh4vnqTpZb1ax18OgxUCD91Id7RNk5ofTv676zr3xaSqbk0+nqYqe KRKrfoD7ShlAWqO1J0QYVCY63hzS+YdvwrT9C1QMa7yvgpsaIeVgPnhrfQEaGazd QXJFd76oD6V6+/AlTMFCdY6VgsFy8rLhDXj0RDC/3u+ZZnxl9RXZ9x/gwXYv/EnO TvSNJluKAjWcebuJbZzPn25IWnGVXyjppOoy9ZjOEFoz78N2y2qE8oJeALL6RlXe fnjNc4y3IkmdWllKnzPM =H+Cc -----END PGP SIGNATURE-----
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