Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.1123
busybox security update
6 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: busybox
Publisher: Debian
Operating System: Debian GNU/Linux
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-28831
Original Bulletin:
http://www.debian.org/lts/security/2021/dla-2614
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running busybox check for an updated version of the software for
their operating system.
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Debian LTS Advisory DLA-2614-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Markus Koschany
April 01, 2021 https://wiki.debian.org/LTS
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Package : busybox
Version : 1:1.22.0-19+deb9u2
CVE ID : CVE-2021-28831
Debian Bug : 986217
The gunzip decompressor of Busybox, tiny utilities for small and embedded
systems, mishandled the error bit on the huft_build result pointer, with a
resultant invalid free or segmentation fault, via malformed gzip data.=20
For Debian 9 stretch, this problem has been fixed in version
1:1.22.0-19+deb9u2.
We recommend that you upgrade your busybox packages.
For the detailed security status of busybox please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/busybox
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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