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You can review the ticket by going to: https://support.marmac.nl/nl/tickets/view/2572022?token=bbc117f8dea7bbe09d749a28bcddea263cefce3b --------------------------------------------------------------- freebsd-stable at freebsd.org User - 15/05/2019 02:45 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================FreeBSD-EN-19:10.scp Errata Notice The FreeBSD Project Topic: Insufficient filename validation in scp(1) client Category: contrib Module: scp Announced: 2019-05-14 Affects: All supported versions of FreeBSD. Corrected: 2019-05-07 19:48:39 UTC (stable/12, 12.0-STABLE) 2019-05-14 22:54:17 UTC (releng/12.0, 12.0-RELEASE-p10) CVE Name: CVE-2019-6111 For general information regarding FreeBSD Errata Notices and Security Advisories, including descriptions of the fields above, security branches, and the following sections, please visit <URL:https://security.FreeBSD.org/>. I. Background scp(1) is a file transfer protocol running over an SSH session. II. Problem Description The scp(1) client implementation fails to verify if the objects returned by the server match what was requested. III. Impact A malicious scp server can write arbitrary files to the client. IV. Workaround Switch to using the sftp(1) client, if possible. V. Solution Note: While stable/11 and its release branches are currently affected by this errata, due to the lack of patches, no fix is currently available for stable/11. We are currently evaluating a backport for these fixes to stable/11. Perform one of the following: 1) Upgrade your system to a supported FreeBSD stable or release / security branch (releng) dated after the correction date. 2) To update your 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 3) To update your 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. [FreeBSD 12.0] # fetch https://security.FreeBSD.org/patches/EN-19:10/scp.patch # fetch https://security.FreeBSD.org/patches/EN-19:10/scp.patch.asc # gpg --verify scp.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>. VI. Correction details The following list contains the correction revision numbers for each affected branch. Branch/path Revision - ------------------------------------------------------------------------- stable/12/ r347232 releng/12.0/ r347586 - ------------------------------------------------------------------------- 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6111> The latest revision of this advisory is available at <URL:https://security.FreeBSD.org/advisories/FreeBSD-EN-19:10.scp.asc> -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEE/A6HiuWv54gCjWNV05eS9J6n5cIFAlzbTq1fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEZD MEU4NzhBRTVBRkU3ODgwMjhENjM1NUQzOTc5MkY0OUVBN0U1QzIACgkQ05eS9J6n 5cJXGQ/+Ii19QUq6MdSeNPPOHVTtW8G/FIlsaYYlCFooIvzxYxvcqDcCyabVlX/a Lt815YY7+EbKcSbA0Gh/YFm9S05rwUg4Dnj8nIQwMVp9OEtziIdY6TVU0JhRoUpe +YVG9e5eh8wK7FFJ/jIaZbAcr2MfMYV2KPouA1HZdqsMBkAkr8xuS3HrmkeE0nxo 6QHTWaaD7qvr8foUSHS1hJsAX3+1eIsdytGUTJIGeL6g7DWsLYYiX7v2k+eZuSe1 dkt7/3J+RqpyJAv+LfGh3QnILC52fO7jOVlnOBt5H/HefX+xRdb8lwHfoBeyxIFc N4v4Ecypewci6Hv4moTeZF+FtIETHj3EfPIe04eiikiGhrpGQ4cCveK6+kk49x4m RR7TE+y7klGIfoSuxoooaJ1/UyFJ9T0eICmBUh1B5rcrnwbbhgpXVPpbbee7IFL2 HYiEuDECPN45zek+bL0M5D0wHZc823e7p1Ioxl1NNzawdts7hWwIpNmFTlfWNczQ KZ9y0bDFffK3nuUkMHORLagCM6ou/wAPunsnWXY3Xg3X61svYIvZThDIeeOi9SbF d1ve8/H/t5yHRQBpqWk51FfO4RdPmQAo6Y9w9WzhnkETsNXeTruQq7D8SnOaWgXG JUh9PAVQKcJRWPXVwDTPEsqRgaDVB0gpaPCt5IS2j2tyB8UuAd4=2h+W -----END PGP SIGNATURE----- _______________________________________________ freebsd-announce at freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-announce To unsubscribe, send any mail to "freebsd-announce-unsubscribe at freebsd.org" --------------------------------------------------------------- Ticket Details Ticket #: 2572022 Subject: [FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-19:10.scp Department: Support | Marmac Status: Gesloten Priority: Laag You can review the ticket by going to: https://support.marmac.nl/nl/tickets/view/2572022?token=bbc117f8dea7bbe09d749a28bcddea263cefce3b Kind Regards, MarMac