7:05 p.m.
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Fedora Update Notification
FEDORA-2021-5a95823596
2021-11-25 01:04:40.275961
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Name : busybox
Product : Fedora 33
Version : 1.34.1
Release : 1.fc33
URL : http://www.busybox.net
Summary : Statically linked binary providing simplified versions of system commands
Description :
Busybox is a single binary which includes versions of a large number
of system commands, including a shell. This package can be very
useful for recovering from certain types of system failures,
particularly those involving broken shared libraries.
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Update Information:
Update to 1.34.1. Resolves CVE-2021-42373 CVE-2021-42374 CVE-2021-42375
CVE-2021-42376 CVE-2021-42377 CVE-2021-42378 CVE-2021-42379 CVE-2021-42380
CVE-2021-42381 CVE-2021-42382 CVE-2021-42383 CVE-2021-42384 CVE-2021-42385
CVE-2021-42386 (Fedora 35+ already have 1.34.1)
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ChangeLog:
* Thu Sep 30 2021 Tom Callaway <spot(a)fedoraproject.org> - 1:1.34.1-1
- update to 1.34.1
* Thu Aug 19 2021 Tom Callaway <spot(a)fedoraproject.org> - 1:1.34.0-1
- update to 1.34.0
* Wed Jul 21 2021 Fedora Release Engineering <releng(a)fedoraproject.org> -
1:1.33.1-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
* Thu May 6 2021 Tom Callaway <spot(a)fedoraproject.org> - 1:1.33.1-1
- update to 1.33.1
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References:
[ 1 ] Bug #2023876 - CVE-2021-42373 busybox: NULL pointer dereference in man applet
leads to denial of service when a section name is supplied but no page argument is given
https://bugzilla.redhat.com/show_bug.cgi?id=2023876
[ 2 ] Bug #2023881 - CVE-2021-42374 busybox: out-of-bounds read in unlzma applet leads
to information leak and denial of service when crafted LZMA-compressed input is
decompressed
https://bugzilla.redhat.com/show_bug.cgi?id=2023881
[ 3 ] Bug #2023888 - CVE-2021-42375 busybox: incorrect handling of a special element in
ash applet leads to denial of service when processing a crafted shell command
https://bugzilla.redhat.com/show_bug.cgi?id=2023888
[ 4 ] Bug #2023891 - CVE-2021-42376 busybox: NULL pointer dereference in hush applet
leads to denial of service when processing a crafted shell command
https://bugzilla.redhat.com/show_bug.cgi?id=2023891
[ 5 ] Bug #2023895 - CVE-2021-42377 busybox: an attacker-controlled pointer free in hush
applet leads to denial of service and possible code execution when processing a crafted
shell command
https://bugzilla.redhat.com/show_bug.cgi?id=2023895
[ 6 ] Bug #2023900 - CVE-2021-42378 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
getvar_i()
https://bugzilla.redhat.com/show_bug.cgi?id=2023900
[ 7 ] Bug #2023904 - CVE-2021-42379 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
next_input_file()
https://bugzilla.redhat.com/show_bug.cgi?id=2023904
[ 8 ] Bug #2023912 - CVE-2021-42380 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
clrvar()
https://bugzilla.redhat.com/show_bug.cgi?id=2023912
[ 9 ] Bug #2023927 - CVE-2021-42381 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
hash_init()
https://bugzilla.redhat.com/show_bug.cgi?id=2023927
[ 10 ] Bug #2023929 - CVE-2021-42382 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
getvar_s()
https://bugzilla.redhat.com/show_bug.cgi?id=2023929
[ 11 ] Bug #2023931 - CVE-2021-42383 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
evaluate()
https://bugzilla.redhat.com/show_bug.cgi?id=2023931
[ 12 ] Bug #2023933 - CVE-2021-42384 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
handle_special()
https://bugzilla.redhat.com/show_bug.cgi?id=2023933
[ 13 ] Bug #2023936 - CVE-2021-42385 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
evaluate()
https://bugzilla.redhat.com/show_bug.cgi?id=2023936
[ 14 ] Bug #2023938 - CVE-2021-42386 busybox: use-after-free in awk applet leads to
denial of service and possibly code execution when processing a crafted awk pattern in the
nvalloc()
https://bugzilla.redhat.com/show_bug.cgi?id=2023938
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-5a95823596' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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