A ksh security update has been released for Fedora 30.
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Fedora Update Notification
FEDORA-2020-a0f0eb8500
2020-02-16 01:09:04.017607
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Name : ksh
Product : Fedora 30
Version : 2020.0.0
Release : 2.fc30
URL : http://www.kornshell.com/
Summary : The Original ATT Korn Shell
Description :
KornShell is a shell programming language, which is upward compatible
with "sh" (the Bourne Shell).
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Update Information:
Do not evaluate arithmetic expressions from environment variables at startup
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ChangeLog:
* Fri Feb 7 2020 Siteshwar Vashisht - 1:2020.0.0-2
- Do not evaluate arithmetic expressions from environment variables at startup
Resolves: #1790549
* Fri Oct 11 2019 Siteshwar Vashisht - 1:2020.0.0-1
- Rebase to 2020.0.0
* Tue Sep 3 2019 Siteshwar Vashisht - 1:2020.0.0-0.3
- Rebase to 2020.0.0-beta1
* Wed Apr 24 2019 Siteshwar Vashisht - 1:2020.0.0-0.2
- Add virtual provider for `/usr/bin/ksh`
* Wed Apr 17 2019 Siteshwar Vashisht - 1:2020.0.0-0.1
- Rebase to 2020.0.0-alpha1
Resolves: #1700777
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References:
[ 1 ] Bug #1790549 - CVE-2019-14868 ksh: environment variables on startup are interpreted as arithmetic expression leading to code injection [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1790549
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-a0f0eb8500' 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
