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  • [FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-21:27.caroot

    From FreeBSD Errata Notices@21:1/5 to All on Thu Nov 4 06:00:01 2021
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    ============================================================================= FreeBSD-EN-21:27.caroot Errata Notice
    The FreeBSD Project

    Topic: Root certificate bundle update

    Category: core
    Module: caroot
    Announced: 2021-11-03
    Affects: FreeBSD 12.2 and later.
    Corrected: 2021-09-04 07:39:07 UTC (stable/13, 13.0-STABLE)
    2021-11-03 20:37:26 UTC (releng/13.0, 13.0-RELEASE-p5)
    2021-09-04 07:39:03 UTC (stable/12, 12.2-STABLE)
    2021-11-03 20:55:26 UTC (releng/12.2, 12.2-RELEASE-p11)

    Note: Systems running FreeBSD 12.3-BETA are unaffected.

    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

    The root certificate bundle is the trust store that is used by OpenSSL
    programs and libraries to aide in determining whether it should trust
    a given TLS certificate.

    II. Problem Description

    Several certificates were removed from the bundle after the latest release
    of FreeBSD 12.2 and FreeBSD 13.0. Additionally, an oversight in the root bundle processor included some roots that were not intended to be trusted for these purposes (SERVER_AUTH).

    III. Impact

    Certificates are often removed from the root bundle due to a failure to
    meet the standards established by Mozilla for being considered a trusted Certificate Authority. Continuing to trust roots despite their removal from the bundle should be considered risky.

    IV. Workaround

    No workaround is available. Software that uses an internal trust store
    is 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, i386, or
    (on FreeBSD 13 and later) arm64 platforms 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.

    [FreeBSD 13.0]
    # fetch https://security.FreeBSD.org/patches/EN-21:27/caroot.13.patch
    # fetch https://security.FreeBSD.org/patches/EN-21:27/caroot.13.patch.asc
    # gpg --verify caroot.13.patch.asc

    [FreeBSD 12.2]
    # fetch https://security.FreeBSD.org/patches/EN-21:27/caroot.12.patch
    # fetch https://security.FreeBSD.org/patches/EN-21:27/caroot.12.patch.asc
    # gpg --verify caroot.12.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 all applications that may be using OpenSSL, or reboot the system.

    VI. Correction details

    This issue is corrected by the corresponding Git commit hash or Subversion revision number in the following stable and release branches:

    Branch/path Hash Revision
    - ------------------------------------------------------------------------- stable/13/ 62aaa70143a6 stable/13-n247098 releng/13.0/ b76aaa35423e releng/13.0-n244762 stable/12/ r370507 releng/12.2/ r370978
    - -------------------------------------------------------------------------

    For FreeBSD 13 and later:

    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

    For FreeBSD 12 and earlier:

    Run the following command to see which files were modified by a particular revision, replacing NNNNNN with the revision number:

    # 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

    The latest revision of this advisory is available at <URL:https://security.FreeBSD.org/advisories/FreeBSD-EN-21:27.caroot.asc> -----BEGIN PGP SIGNATURE-----

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