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Fedora 33: FEDORA-2021-9fb6da134f moderate: squashfs-tools Exploit Risk

fedora
Calendar Grey September 28, 2021
Dist Fedora Esm H88
This revision of squashfs-tools fixes a vulnerability that permitted unauthorized writes beyond the intended target directory in Fedora 33.
Fix additional write outside destination directory exploit ---- 4.5 release (includes security fix for CVE-2021-40153)

Summary

Squashfs is a highly compressed read-only filesystem for Linux. This package

contains the utilities for manipulating squashfs filesystems.

Fix additional write outside destination directory exploit ---- 4.5 release

(includes security fix for CVE-2021-40153)

* Mon Sep 13 2021 Bruno Wolff III - 4.5-3.20210913gite048580

- Fix bug 2003701 (additional write outside destination directory exploit)

* Mon Jul 26 2021 Bruno Wolff III - 4.5-2

- Fix for sparse fragment bug 1985561

* Fri Jul 23 2021 Bruno Wolff III - 4.5-1

- First crack at 4.5 release

- Man pages still need significant work

* Wed Jan 27 2021 Fedora Release Engineering - 4.4-5.git1

- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild

* Sat Nov 14 2020 Bruno Wolff III - 4.4-4.git1

- Gating tests failed and unable to rerun them

* Wed Nov 11 2020 Bruno Wolff III - 4.4-3.git1

- New upstream release with a minor fix

[ 1 ] Bug #1998621 - CVE-2021-40153 squashfs-tools: unvalidated filepaths allow writing outside of destination

https://bugzilla.redhat.com/show_bug.cgi?id=1998621

su -c 'dnf upgrade --advisory FEDORA-2021-9fb6da134f' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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Change Log

References

Update Instructions

Product: Fedora 33
Version: 4.5
Release: 3.20210913gite048580.fc33
Summary: Utility for the creation of squashfs filesystems

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