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Sicherheit: Zwei Probleme in Zsh
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Zsh
ID: FEDORA-2018-019a32a468
Distribution: Fedora
Plattformen: Fedora 27
Datum: Mi, 14. März 2018, 07:06
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7548
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7549
Applikationen: Zsh

Originalnachricht

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Fedora Update Notification
FEDORA-2018-019a32a468
2018-03-13 23:10:46.414207
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Name : zsh
Product : Fedora 27
Version : 5.4.1
Release : 2.fc27
URL : http://zsh.sourceforge.net/
Summary : Powerful interactive shell
Description :
The zsh shell is a command interpreter usable as an interactive login
shell and as a shell script command processor. Zsh resembles the ksh
shell (the Korn shell), but includes many enhancements. Zsh supports
command line editing, built-in spelling correction, programmable
command completion, shell functions (with autoloading), a history
mechanism, and more.

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Update Information:

- avoid crash when copying empty hash table (CVE-2018-7549) - avoid NULL
dereference when using ```${(PA)...}``` on an empty array (CVE-2018-7548)
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References:

[ 1 ] Bug #1549842 - CVE-2018-7548 zsh: null-pointer deref when using
${(PA)...} on an empty array result [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1549842
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade zsh' 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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