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Sicherheit: Pufferüberlauf in cracklib
Aktuelle Meldungen Distributionen
Name: Pufferüberlauf in cracklib
ID: FEDORA-2016-b601141219
Distribution: Fedora
Plattformen: Fedora 24
Datum: Mo, 12. Dezember 2016, 07:24
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6318

Originalnachricht

Name        : cracklib
Product : Fedora 24
Version : 2.9.6
Release : 4.fc24
URL : http://sourceforge.net/projects/cracklib/
Summary : A password-checking library
Description :
CrackLib tests passwords to determine whether they match certain
security-oriented characteristics, with the purpose of stopping users
from choosing passwords that are easy to guess. CrackLib performs
several tests on passwords: it tries to generate words from a username
and gecos entry and checks those words against the password; it checks
for simplistic patterns in passwords; and it checks for the password
in a dictionary.

CrackLib is actually a library containing a particular C function
which is used to check the password, as well as other C
functions. CrackLib is not a replacement for a passwd program; it must
be used in conjunction with an existing passwd program.

Install the cracklib package if you need a program to check users'
passwords to see if they are at least minimally secure. If you install
CrackLib, you will also want to install the cracklib-dicts package.

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Update Information:

Security fix for CVE-2016-6318
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References:

[ 1 ] Bug #1364944 - CVE-2016-6318 cracklib: Stack-based buffer overflow when
parsing large GECOS field
https://bugzilla.redhat.com/show_bug.cgi?id=1364944
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade cracklib' 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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