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Tasklist

FS#70075 - [busybox] [mkinitcpio-busybox] [Security] denial of service (CVE-2021-28831)

Attached to Project: Community Packages
Opened by Jonas Witschel (diabonas) - Friday, 19 March 2021, 11:51 GMT
Last edited by Eli Schwartz (eschwartz) - Monday, 28 June 2021, 10:59 GMT
Task Type Bug Report
Category Security
Status Closed
Assigned To Sergej Pupykin (sergej)
Levente Polyak (anthraxx)
Eli Schwartz (eschwartz)
Giancarlo Razzolini (grazzolini)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Summary
=======

The packages busybox and mkinitcpio-busybox are vulnerable to denial of service via CVE-2021-28831.

Guidance
========

Applying commit f25d254dfd4243698c31a4f3153d4ac72aa9e9bd referenced below fixes the issue.

References
==========

https://security.archlinux.org/AVG-1707
https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd
This task depends upon

Closed by  Eli Schwartz (eschwartz)
Monday, 28 June 2021, 10:59 GMT
Reason for closing:  Fixed
Additional comments about closing:  mkinitcpio-busybox-1.32.1-3
busybox 1.32.1-4
Comment by Giancarlo Razzolini (grazzolini) - Monday, 22 March 2021, 11:50 GMT
I have cherry-picked the fix and applied the patch that fixes this issue on mkinitcpio-busybox-1.32.1-3 which is on [testing] as of now. Please test it. @Eli @Sergej, please check the PKGBUILD/patch and apply to busybox, if applicable.
Comment by loqs (loqs) - Monday, 28 June 2021, 04:37 GMT
busybox cherry-picked the fix in busybox 1.32.1-4: backport fix for CVE-2021-28831 [1]
Box busybox and mkinitcpio-busybox are now on 1.33.1 which contains the fix as well.

[1] https://github.com/archlinux/svntogit-community/commit/998e1489d07acf7955617b61751e7fe843622c96

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