[SECURITY] Fedora 36 Update: gzip-1.11-3.fc36
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Fedora Update Notification
FEDORA-2022-eeb6c686c7
2022-04-28 22:25:22.112830
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Name : gzip
Product : Fedora 36
Version : 1.11
Release : 3.fc36
URL : https://www.gzip.org/
Summary : GNU data compression program
Description :
The gzip package contains the popular GNU gzip data compression
program. Gzipped files have a .gz extension.
Gzip should be installed on your system, because it is a
very commonly used data compression program.
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Update Information:
zgrep applied to a crafted file name with two or more newlines can no longer
overwrite an arbitrary, attacker-selected file. reproducer: $ touch
foo.gz $ echo foo | gzip > "$(printf '|\n;e touch pwned\n#.gz')"
$
zgrep foo *.gz (the unfixed version of zgrep creates the file called pwned)
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ChangeLog:
* Wed Apr 13 2022 Jakub Martisko <jamartis(a)redhat.com> - 1.11-3
- fix an arbitrary-file-write vulnerability in zgrep
Resolves: CVE-2022-1271
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References:
[ 1 ] Bug #2073312 - CVE-2022-1271 gzip: arbitrary-file-write vulnerability
[fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2073312
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-eeb6c686c7' 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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