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diff --git a/share/security/advisories/FreeBSD-SA-16:34.bind.asc b/share/security/advisories/FreeBSD-SA-16:34.bind.asc deleted file mode 100644 index c1791a8051..0000000000 --- a/share/security/advisories/FreeBSD-SA-16:34.bind.asc +++ /dev/null @@ -1,137 +0,0 @@ ------BEGIN PGP SIGNED MESSAGE----- -Hash: SHA512 - -============================================================================= -FreeBSD-SA-16:34.bind Security Advisory - The FreeBSD Project - -Topic: BIND Remote Denial of Service vulnerability - -Category: contrib -Module: bind -Announced: 2016-11-02 -Credits: ISC -Affects: FreeBSD 9.x -Corrected: 2016-11-02 05:13:27 UTC (stable/9, 9.3-STABLE) - 2016-11-02 07:24:34 UTC (releng/9.3, 9.3-RELEASE-p50) -CVE Name: CVE-2016-8864 - -For general information regarding FreeBSD Security Advisories, -including descriptions of the fields above, security branches, and the -following sections, please visit <URL:https://security.FreeBSD.org/>. - -I. Background - -BIND 9 is an implementation of the Domain Name System (DNS) protocols. -The named(8) daemon is an Internet Domain Name Server. - -II. Problem Description - -A defect in BIND's handling of responses containing a DNAME answer could -cause a resolver to exit after encountering an assertion failure in -db.c or resolver.c. - -During processing of a recursive response that contains a DNAME record -in the answer section, BIND could stop executing after encountering an -assertion error in resolver.c. - -III. Impact - -A remote attacker who could cause a server to make a query deliberately -chosen to trigger the failed assertions could cause named(8) to stop, -resulting in a Denial of Service condition to its clients. - -IV. Workaround - -No workaround is available, but hosts not running named(8) recursive -servers are not affected. - -V. Solution - -Perform one of the following: - -1) Upgrade your vulnerable system to a supported FreeBSD stable or -release / security branch (releng) dated after the correction date. - -The named service has to be restarted after the update. A reboot is -recommended but not required. - -2) To update your vulnerable system via a binary patch: - -Systems running a RELEASE version of FreeBSD on the i386 or amd64 -platforms can be updated via the freebsd-update(8) utility: - -# freebsd-update fetch -# freebsd-update install - -The named service has to be restarted after the update. A reboot is -recommended but not required. - -3) To update your vulnerable system via a source code patch: - -The following patches have been verified to apply to the applicable -FreeBSD release branches. - -a) Download the relevant patch from the location below, and verify the -detached PGP signature using your PGP utility. - -# fetch https://security.FreeBSD.org/patches/SA-16:34/bind.patch -# fetch https://security.FreeBSD.org/patches/SA-16:34/bind.patch.asc -# gpg --verify bind.patch.asc - -b) Apply the patch. Execute the following commands as root: - -# cd /usr/src -# patch < /path/to/patch - -c) Recompile the operating system using buildworld and installworld as -described in <URL:https://www.FreeBSD.org/handbook/makeworld.html>. - -Restart the named service, or reboot the system. - -VI. Correction details - -The following list contains the correction revision numbers for each -affected branch. - -Branch/path Revision -- ------------------------------------------------------------------------- -stable/9/ r308193 -releng/9.3/ r308205 -- ------------------------------------------------------------------------- - -To see which files were modified by a particular revision, run the -following command, replacing NNNNNN with the revision number, on a -machine with Subversion installed: - -# svn diff -cNNNNNN --summarize svn://svn.freebsd.org/base - -Or visit the following URL, replacing NNNNNN with the revision number: - -<URL:https://svnweb.freebsd.org/base?view=revision&revision=NNNNNN> - -VII. References - -<URL:https://kb.isc.org/article/AA-01434/> - -<URL:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8864> - -The latest revision of this advisory is available at -<URL:https://security.FreeBSD.org/advisories/FreeBSD-SA-16:34.bind.asc> ------BEGIN PGP SIGNATURE----- -Version: GnuPG v2.1.15 (FreeBSD) - -iQIcBAEBCgAGBQJYGZhkAAoJEO1n7NZdz2rn14UQAOI+3haO5nI3D4wPP9EavF9j -SU1yuv2ZrWaldbdv9lSHWsK5gjOjZAwK4TmZSnhe3yC3nNOJimiD5KAjHhCiQEMN -xZ4L0Xtyhp6Bef7pEPdn1KgJCdufRaXt8QYx+YWz2Zk2lV78J9IRUuWNYzTleetM -yNkPIfkGbIEyzMG11nZKzIQ+rjxNS+/KXJTBD4z4xpyjCwnulHuCTGNNPIGSPbbO -1rwY6NifZXRP6yCWmrQWZPV3I7eAjwtWpmU18kLf6dRbRAWa/M9f+ZCW4vR1bBoR -CAX07D0VDPaUM56XCUaspKSvJ3dpJC9GjuEZVXfBoJzbfixeMqYkjgwaPGT+BxLo -AxJv8PVXZiigq+0pXMGjaHdrwWW8UxkthyifGJFSffZMs4eECrIUhFe/SlMQ/5Zm -WZhA28S4QqlcTpObnWVet3C9QdpBtjlodfZqmovHHWZGGcIVPbW+sVaJ3WF2ni6H -OQuJucIVfKQVuv88aSRVlrtGY/KN9wjyUf4zIpyUgPL+qy3vxz2NB41mjM12ZyAi -35KIv3tR5lZIq4C062qR0zlHKldQgxaQPX4rWq7lhQkk2X8B3SjypSMBRfrAosoW -p/xQGqVwX05M7F8ykcdf8vfu3iipz/JDQgSdy3aeziwO5+2xGUt5cdXWpR0gxK4M -2ajEFjl+rHAfYpDkfoGP -=F1Vx ------END PGP SIGNATURE----- |