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Sicherheit: Denial of Service in krb5
Aktuelle Meldungen Distributionen
Name: Denial of Service in krb5
ID: FEDORA-2011-5345
Distribution: Fedora
Plattformen: Fedora 14
Datum: Di, 26. April 2011, 18:22
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0285
Applikationen: MIT Kerberos

Originalnachricht

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Fedora Update Notification
FEDORA-2011-5345
2011-04-14 20:24:35
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Name : krb5
Product : Fedora 14
Version : 1.8.2
Release : 10.fc14
URL : http://web.mit.edu/kerberos/www/
Summary : The Kerberos network authentication system
Description :
Kerberos V5 is a trusted-third-party network authentication system,
which can improve your network's security by eliminating the insecure
practice of cleartext passwords.

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Update Information:

This update incorporates the upstream patches to fix an attempt to free an
invalid pointer in kadmind (MITKRB5-SA-2011-004).

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ChangeLog:

* Wed Apr 13 2011 Nalin Dahyabhai <nalin@redhat.com> 1.8.2-10
- kadmind: add upstream patch to fix free() on an invalid pointer
(MITKRB5-SA-2011-004, CVE-2011-0285)
* Fri Mar 18 2011 Nalin Dahyabhai <nalin@redhat.com>
- backport change from SVN to fix a computed-value-not-used warning in
kpropd (#684065)
* Tue Mar 15 2011 Nalin Dahyabhai <nalin@redhat.com> 1.8.2-9
- add revised upstream patch to fix double-free in KDC while returning
typed-data with errors (CVE-2011-0284, #674325)
* Tue Feb 8 2011 Nalin Dahyabhai <nalin@redhat.com> 1.8.2-8
- add upstream patches to fix standalone kpropd exiting if the per-client
child process exits with an error (MITKRB5-SA-2011-001), and a hang or
crash in the KDC when using the LDAP kdb backend (MITKRB5-SA-2011-002)
(CVE-2010-4022, #664009, CVE-2011-0281, #668719, CVE-2011-0282, #668726)
* Tue Nov 30 2010 Nalin Dahyabhai <nalin@redhat.com> 1.8.2-7
- pull up 1.8.2/1.8.3 libk5crypto changes to correct the patch context
- add upstream patch to fix various issues from MITKRB5-SA-2010-007
(CVE-2010-1323, #648734, CVE-2010-1324, #648674, CVE-2010-4020, #648735)
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References:

[ 1 ] Bug #696343 - CVE-2011-0285 krb5: kadmind invalid pointer free()
(MITKRB5-SA-004) [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=696343
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This update can be installed with the "yum" update program. Use
su -c 'yum update krb5' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

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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