Fedora 33 - FEDORA-2021-da76643229 Critical: Hivex Bounds Check

Hive files are the undocumented binary files that Windows uses to

store the Windows Registry on disk. Hivex is a library that can read

and write to these files.

'hivexsh' is a shell you can use to interactively navigate a hive

binary file.

'hivexregedit' (in perl-hivex) lets you export and merge to the

textual regedit format.

'hivexml' can be used to convert a hive file to a more useful XML

format.

In order to get access to the hive files themselves, you can copy them

from a Windows machine. They are usually found in

%systemroot%\system32\config. For virtual machines we recommend

using libguestfs or guestfish to copy out these files. libguestfs

also provides a useful high-level tool called 'virt-win-reg' (based on

hivex technology) which can be used to query specific registry keys in

an existing Windows VM.

For OCaml bindings, see 'ocaml-hivex-devel'.

For Perl bindings, see 'perl-hivex'.

For Python 3 bindings, see 'python3-hivex'.

For Ruby bindings, see 'ruby-hivex'.

New upstream version 1.3.20. Fixes CVE-2021-3504 missing bounds check in

hivex_open.

* Mon May 3 2021 Richard W.M. Jones - 1.3.20-1

- New upstream version 1.3.20.

- Fixes CVE-2021-3504 missing bounds check in hivex_open.

su -c 'dnf upgrade --advisory FEDORA-2021-da76643229' 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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