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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
=============================================================================
FreeBSD-EN-15:16.pw Errata Notice
The FreeBSD Project
Topic: Regression in pw(8) when creating numeric users or groups
Category: core
Module: pw
Announced: 2015-09-16
Credits: Thierry Caillet, Baptiste Daroussin
Affects: 10.2-RELEASE
Corrected: 2015-08-23 21:42:27 UTC (stable/10, 10.2-STABLE)
2015-09-16 20:59:41 UTC (releng/10.2, 10.2-RELEASE-p3)
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 pw(8) utility is used to create, remove, modify, and display system
users and groups.
II. Problem Description
The pw(8) utility will fail to create users and groups that only contain
numeric values [0-9].
III. Impact
An attempt to create a user or group containing only numeric values will
fail.
IV. Workaround
No workaround is available, but systems configured to create users or groups
that do not contain numeric-only names are not affected.
V. Solution
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 present 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 present 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-15:26/pw.patch
# fetch https://security.FreeBSD.org/patches/EN-15:26/pw.patch.asc
# gpg --verify pw.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>.
A reboot of the running system is not necessary after installing the updated
pw(8) utility.
VI. Correction details
The following list contains the correction revision numbers for each
affected branch.
Branch/path Revision
- -------------------------------------------------------------------------
stable/10/ r287084
releng/10.2/ r287872
- -------------------------------------------------------------------------
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
<other info on vulnerability>
The latest revision of this Errata Notice is available at
https://security.FreeBSD.org/advisories/FreeBSD-EN-15:26.pw.asc
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=============================================================================
FreeBSD-EN-15:17.libc Errata Notice
The FreeBSD Project
Topic: libc incorrectly handles signals for multi-threaded processes
Category: core
Module: libc
Announced: 2015-09-16
Credits: Konstantin Belousov
Affects: FreeBSD 10.2
Corrected: 2015-09-05 08:55:51 UTC (stable/10, 10.2-STABLE)
2015-09-16 20:59:41 UTC (releng/10.2, 10.2-RELEASE-p3)
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 FreeBSD libc library is the core C runtime library which implements
the ANSI C, POSIX APIs and BSD extensions for applications on top of the
FreeBSD kernel. The internal operations of libc change when the threading
library is loaded, ensuring service implementations are operational in
multi-threaded environments, while avoiding unnecessary overhead for
applications not utilizing threads. The implementation of some services
is delegated to the threading library, for instance, the signal management.
II. Problem Description
Signal-related services, such as signal(3), sigprocmask(2), and sigwait(2)
are not properly redirected to the threading library implementation when
used by libc directly.
III. Impact
The full impact of the bug is difficult to enumerate precisely based on the
nature of the problem, though some visible effects include runtime linker
hang during signal delivery, and delivery of a signal to the application
at an unexpected time.
IV. Workaround
No workaround is available.
V. Solution
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 present 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 present 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-15:17/libc.patch
# fetch https://security.FreeBSD.org/patches/EN-15:17/libc.patch.asc
# gpg --verify libc.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>.
Reboot the system.
VI. Correction details
The following list contains the correction revision numbers for each
affected branch.
Branch/path Revision
- -------------------------------------------------------------------------
stable/10/ r287480
releng/10.2/ r287872
- -------------------------------------------------------------------------
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
The latest revision of this Errata Notice is available at
https://security.FreeBSD.org/advisories/FreeBSD-EN-15:17.libc.asc
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=============================================================================
FreeBSD-EN-15:18.pkg Errata Notice
The FreeBSD Project
Topic: Implement pubkey support for pkg(7) bootstrap
Category: core
Module: pkg
Announced: 2015-09-16
Credits: Baptiste Daroussin
Affects: All supported versions of FreeBSD.
Corrected: 2015-09-15 05:56:16 UTC (stable/10, 10.2-STABLE)
2015-09-16 20:59:41 UTC (releng/10.2, 10.2-RELEASE-p3)
2015-09-16 21:00:21 UTC (releng/10.1, 10.1-RELEASE-p20)
2015-09-15 08:34:32 UTC (stable/9, 9.3-STABLE)
2015-09-16 21:00:21 UTC (releng/9.3, 9.3-RELEASE-p26)
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 pkg(8) utility is the package management tool for FreeBSD. The base
system includes a pkg(7) bootstrap utility used to install the latest
pkg(8) utility.
II. Problem Description
The pubkey method is not supported by the pkg(7) bootstrap utility.
Previously, before EN-15:15.pkg, if the system administrator requested
this method, it is silently ignored and no check is performed.
In EN-15:15.pkg, pkg(7) have been modified to issue warning and refuse
to proceed any further.
III. Impact
There is no way to use the pubkey method to bootstrap pkg(8) on the
system.
IV. Workaround
No workaround is available, but the default FreeBSD configuration is not
affected because it uses "fingerprint" method.
V. Solution
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 present 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 present 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 10.x]
# fetch https://security.FreeBSD.org/patches/EN-15:18/pkg-10.patch
# fetch https://security.FreeBSD.org/patches/EN-15:18/pkg-10.patch.asc
# gpg --verify pkg-10.patch.asc
[FreeBSD 9.3]
# fetch https://security.FreeBSD.org/patches/EN-15:18/pkg-9.patch
# fetch https://security.FreeBSD.org/patches/EN-15:18/pkg-9.patch.asc
# gpg --verify pkg-9.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/9/ r287814
releng/9.3/ r287873
stable/10/ r287810
releng/10.1/ r287873
releng/10.2/ r287872
- -------------------------------------------------------------------------
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
The latest revision of this Errata Notice is available at
https://security.FreeBSD.org/advisories/FreeBSD-EN-15:18.pkg.asc
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