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On Thu, Jul 08, 2021 at 07:38:05PM -0700, Georgy Yakovlev wrote: |
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> Signed-off-by: Sam James <sam@g.o> |
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> Signed-off-by: Georgy Yakovlev <gyakovlev@g.o> |
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> --- |
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> .../2021-07-07-systemd-tmpfiles.en.txt | 48 +++++++++++++++++++ |
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> 1 file changed, 48 insertions(+) |
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> create mode 100644 2021-07-07-systemd-tmpfiles/2021-07-07-systemd-tmpfiles.en.txt |
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> |
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> diff --git a/2021-07-07-systemd-tmpfiles/2021-07-07-systemd-tmpfiles.en.txt b/2021-07-07-systemd-tmpfiles/2021-07-07-systemd-tmpfiles.en.txt |
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> new file mode 100644 |
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> index 0000000..0960663 |
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> --- /dev/null |
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> +++ b/2021-07-07-systemd-tmpfiles/2021-07-07-systemd-tmpfiles.en.txt |
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> @@ -0,0 +1,48 @@ |
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> +Title: systemd-tmpfiles replaces opentmpfiles due to security issues |
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> +Author: Georgy Yakovlev <gyakovlev@g.o> |
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> +Author: Sam James <sam@g.o> |
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> +Posted: 2021-07-07 |
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> +Revision: 1 |
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> +News-Item-Format: 2.0 |
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> +Display-If-Installed: virtual/tmpfiles |
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|
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This should be: |
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|
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Display-If-Installed: sys-apps/opentmpfiles |
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|
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> + |
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> +On 2021-07-06, the sys-apps/opentmpfiles package was masked due to a |
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> +root privilege escalation vulnerability (CVE-2017-18925 [0], |
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> +bug #751415 [1], issue 4 [2] upstream). |
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> + |
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> +The use of opentmpfiles is discouraged by its maintainer due to the |
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> +unpatched vulnerability and other long-standing bugs [3]. |
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> + |
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> +Users will start seeing their package manager trying to replace |
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> +sys-apps/opentmpfiles with sys-apps/systemd-tmpfiles because it is |
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> +another provider of virtual/tmpfiles. |
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> + |
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> +Despite the name, 'systemd-tmpfiles' does not depend on systemd, does |
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> +not use dbus, and is just a drop-in replacement for opentmpfiles. It is |
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> +a small binary built from systemd source code, but works separately, |
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> +similarly to eudev or elogind. It is known to work on both glibc and |
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> +musl systems. |
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> + |
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> +Note that systemd-tmpfiles is specifically for non-systemd systems. It |
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> +is intended to be used on an OpenRC system. |
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> + |
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> +If you wish to selectively test systemd-tmpfiles, follow those steps: |
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> + |
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> + 1. # emerge --oneshot sys-apps/systemd-tmpfiles |
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> + 2. # reboot |
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> + |
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> +No other steps required. |
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> + |
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> +If, after reviewing the linked bug reference for opentmpfiles, you feel |
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> +your system is not vulnerable/applicable to the attack described, you |
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> +can unmask[4] opentmpfiles at your own risk: |
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> + |
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> +1. In /etc/portage/package.unmask, add: |
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> +-sys-apps/opentmpfiles |
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> +2. # emerge --oneshot sys-apps/opentmpfiles |
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|
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Something might need to be added cautioning folks that if they unmask |
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this, it may disappear on them in the future if we decide to remove it. |
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|
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William |
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|
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> + |
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> +[0] https://nvd.nist.gov/vuln/detail/CVE-2017-18925 |
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> +[1] https://bugs.gentoo.org/751415 |
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> +[2] https://github.com/OpenRC/opentmpfiles/issues/4 |
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> +[3] https://bugs.gentoo.org/741216 |
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> +[4] https://wiki.gentoo.org/wiki/Knowledge_Base:Unmasking_a_package |
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> -- |
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> 2.32.0 |
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> |
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> |
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