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Sicherheit: Zwei Probleme in FreeIPA
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in FreeIPA
ID: FEDORA-2015-4747
Distribution: Fedora
Plattformen: Fedora 21
Datum: Mo, 6. April 2015, 18:11
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0283
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1827

Originalnachricht

Name        : freeipa
Product : Fedora 21
Version : 4.1.4
Release : 1.fc21
URL : http://www.freeipa.org/
Summary : The Identity, Policy and Audit system
Description :
IPA is an integrated solution to provide centrally managed Identity (machine,
user, virtual machines, groups, authentication credentials), Policy
(configuration settings, access control information) and Audit (events,
logs, analysis thereof).

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Update Information:

CVE-2015-1827: It was discovered that the IPA extdom Directory Server plug-in
did not correctly perform memory reallocation when handling user account information. A request for a list of groups for a user that belongs to a large number of groups would cause a Directory Server to crash.

CVE-2015-0283: It was discovered that the slapi-nis Directory Server plug-in
did not correctly perform memory reallocation when handling user account information. A request for information about a group with many members, or a request for a user that belongs to a large number of groups, would cause a Directory Server to enter an infinite loop and consume an excessive amount of CPU time.

These issues were discovered by Sumit Bose of Red Hat.
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ChangeLog:

* Thu Mar 26 2015 Alexander Bokovoy <abokovoy@redhat.com> - 4.1.4-1
- Update to upstream 4.1.4 - see http://www.freeipa.org/page/Releases/4.1.4
- fix CVE-2015-1827 (#1206047)
- Require slapi-nis 0.54.2 and newer for CVE-2015-0283 fixes
* Tue Mar 17 2015 Petr Vobornik <pvoborni@redhat.com> - 4.1.3-3
- Timeout ipa-client install if ntp server is unreachable #4842
- Skip time sync during client install when using --no-ntp #4842
* Mon Feb 23 2015 Petr Vobornik <pvoborni@redhat.com> - 4.1.3-2
- require pki-ca >= 10.2.0-5 in Fedora 21
* Wed Feb 18 2015 Petr Vobornik <pvoborni@redhat.com> - 4.1.3-1
- Update to upstream 4.1.3 - see http://www.freeipa.org/page/Releases/4.1.3
* Tue Nov 25 2014 Petr Vobornik <pvoborni@redhat.com> - 4.1.2-1
- Update to upstream 4.1.2 - see http://www.freeipa.org/page/Releases/4.1.2
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References:

[ 1 ] Bug #1195729 - CVE-2015-0283 slapi-nis: infinite loop in getgrnam_r()
and getgrgid_r()
https://bugzilla.redhat.com/show_bug.cgi?id=1195729
[ 2 ] Bug #1205200 - CVE-2015-1827 ipa: memory corruption when using
get_user_grouplist()
https://bugzilla.redhat.com/show_bug.cgi?id=1205200
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This update can be installed with the "yum" update program. Use
su -c 'yum update freeipa' 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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