U radu programskog paketa bind-dyndb-ldap, namijenjenog operacijskom sustavu Fedora 17, otkriven je sigurnosni propust. Lokalnim napadačima omogućuje izvođenje DoS napada.
Paket:
bind-dyndb-ldap 1.x
Operacijski sustavi:
Fedora 17
Kritičnost:
3
Problem:
pogreška u programskoj funkciji
Iskorištavanje:
lokalno
Posljedica:
uskraćivanje usluga (DoS)
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2012-2134
Izvorni ID preporuke:
FEDORA-2012-6666
Izvor:
Fedora
Problem:
Propust je posljedica pogreške u radu funkcije "handle_connection_error()".
Posljedica:
Napadač ga može iskoristiti za izvođenje napada uskraćivanjem usluge.
Rješenje:
Korisnicima se preporuča korištenje odgovarajućih zakrpa.
--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2012-6666
2012-04-26 19:19:46
--------------------------------------------------------------------------------
Name : bind-dyndb-ldap
Product : Fedora 17
Version : 1.1.0
Release : 0.11.rc1.fc17
URL : https://fedorahosted.org/bind-dyndb-ldap
Summary : LDAP back-end plug-in for BIND
Description :
This package provides an LDAP back-end plug-in for BIND. It features
support for dynamic updates and internal caching, to lift the load
off of your LDAP server.
--------------------------------------------------------------------------------
Update Information:
Update to the 1.1.0rc1 version which fixes CVE-2012-2134.
* it was possible to DoS named process by query which contained non-alphabet
characters and which belongs to zone served by the plugin. (CVE-2012-2134)
--------------------------------------------------------------------------------
ChangeLog:
* Thu Apr 26 2012 Adam Tkac <atkac redhat com> - 1.1.0-0.11.rc1
- update to 1.1.0rc1 (CVE-2012-2134)
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #815846 - CVE-2012-2134 bind-dyndb-ldap: Bind DoS (named hang) by
processing DNS query for zone served by bind-dyndb-ldap
https://bugzilla.redhat.com/show_bug.cgi?id=815846
--------------------------------------------------------------------------------
This update can be installed with the "yum" update program. Use
su -c 'yum update bind-dyndb-ldap' 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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