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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-EN-24:15.calendar Errata Notice The FreeBSD Project Topic: cron(8) / periodic(8) session login Category: core Module: periodic Announced: 2024-09-04 Affects: All supported versions of FreeBSD. Corrected: 2024-08-08 20:07:04 UTC (stable/14, 14.1-STABLE) 2024-09-04 21:34:23 UTC (releng/14.1, 14.1-RELEASE-p4) 2024-09-04 20:54:10 UTC (releng/14.0, 14.0-RELEASE-p10) 2024-08-08 20:07:07 UTC (stable/13, 13.4-STABLE) 2024-08-14 03:37:16 UTC (releng/13.4, 13.4-BETA3) 2024-09-04 20:29:38 UTC (releng/13.3, 13.3-RELEASE-p6) 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 periodic(8) is run via cron(8) as root to perform periodic system functions to be executed on a daily, weekly, or monthly basis. II. Problem Description periodic(8) jobs are typically run in a context as the `root` user, but an erratum in calendar(1) may clobber the login session of both cron(8) and periodic(8) to a non-`root` user if the daily calendar job is enabled with `daily_calendar_enable=YES`. III. Impact Mail sent after calendar(1) has run in the daily periodic run will have a non-root sender on the envelope. This includes security jobs as well as other cron jobs that may be run after the daily job has concluded. IV. Workaround No workaround is available. Systems that have not explicitly enabled the daily calendar job are not affected. V. Solution Upgrade your system to a supported FreeBSD stable or release / security branch (releng) dated after the correction date. Perform one of the following: 1) To update your system via a binary patch: Systems running a RELEASE version of FreeBSD on the amd64 or arm64 platforms, or the i386 platform on FreeBSD 13, can be updated via the freebsd-update(8) utility: # freebsd-update fetch # freebsd-update install 2) 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. # fetch https://security.FreeBSD.org/patches/EN-24:15/calendar.patch # fetch https://security.FreeBSD.org/patches/EN-24:15/calendar.patch.asc # gpg --verify calendar.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 applicable daemons, or reboot the system. VI. Correction details This issue is corrected as of the corresponding Git commit hash in the following stable and release branches: Branch/path Hash Revision - ------------------------------------------------------------------------- stable/14/ 33708452aaab stable/14-n268432 releng/14.1/ 86d01789bf41 releng/14.1-n267709 releng/14.0/ d94dbaa516e0 releng/14.0-n265431 stable/13/ 3a9010c98b3d stable/13-n258228 releng/13.4/ 7088bf662d46 releng/13.4-n258220 releng/13.3/ eab94c0fbb78 releng/13.3-n257447 - ------------------------------------------------------------------------- Run the following command to see which files were modified by a particular commit: # git show --stat <commit hash> Or visit the following URL, replacing NNNNNN with the hash: <URL:https://cgit.freebsd.org/src/commit/?id=NNNNNN> To determine the commit count in a working tree (for comparison against nNNNNNN in the table above), run: # git rev-list --count --first-parent HEAD VII. References <URL:https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280418> The latest revision of this advisory is available at <URL:https://security.FreeBSD.org/advisories/FreeBSD-EN-24:15.calendar.asc> -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEthUnfoEIffdcgYM7bljekB8AGu8FAmbY53AACgkQbljekB8A Gu+FxA/+JUfcaaoOhPcS8VabJS4UKYKH3S703qTSqaR1KsHj+nKXj5eSWCyGA4KI C4p+9C4H7shzgO4SF18+HR679i+y0QNayEpEv9MkUsuYfevx3t8+E7joOH10usi1 g92EPpAUYM5Cb0NpsjFS8gQk18qRlY76asdQlA+b8RDB0gU7lJkDTxrT4TUtJqKP ysAa2ZruGuJbZpZlVPY/JLA9/liwBZcq6fij1g4dyQke6PbvTkoWxFD/3+/ufKXu mWW+VsYxldNQRIJF9+8SuIcGTkDUr4HAP7EPYYKU8prX39lsAN0fA7oQO0ohvQ1b 20Oglq4PYQTEzv16KbAGZdByEzH2Tnzoz8jkaUeIfgnQrHEZbiaqckixi3bUOzPV SJ037qikttpxVXrs6qxehl1f9tMLXFlbRSOrVrxg+YSb8Xy0nxRvdNwuJ+1OS2bD DoPDXs3BVtecKrArDrZcbFcvzNbNiESZGRlFBI7hiy8DQFNFT755n1NnIDxjDerW Qo9MELlWerWyP2djzS+C5YeTe3HPMw8dRbPORRKBD65+dXDn+W53TeJdVY/uwN/O B9l/RRehDTB4pj79J6689h3mPSBgMC0tS33Nv1Xm42+58JPb9hP+RzHQkNVJcrxk RDpKKxgJjTm5hQ+U8TMN+YOfWJnrEGk+mSWK8Vk96C0JQJSd0lI= =Z1hr -----END PGP SIGNATURE-----
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