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                   Red Hat Security Advisory

Synopsis:          Low: kdenetwork security update
Advisory ID:       RHSA-2005:175-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-175.html
Issue date:        2005-03-03
Updated on:        2005-03-03
Product:           Red Hat Enterprise Linux
CVE Names:         CAN-2005-0205
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1. Summary:

Updated kdenetwork packages that fix a file descriptor leak are now available.

This update has been rated as having low security impact by the Red Hat
Security Response Team

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386
Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64

3. Problem description:

The kdenetwork packages contain a collection of networking applications for
the K Desktop Environment.

A bug was found in the way kppp handles privileged file descriptors.  A
malicious local user could make use of this flaw to modify the /etc/hosts
or /etc/resolv.conf files, which could be used to spoof domain information. 
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2005-0205 to this issue.

Please note that the default installation of kppp on Red Hat Enterprise
Linux uses consolehelper and is not vulnerable to this issue.  However, the
kppp FAQ provides instructions for removing consolehelper and running kppp
suid root, which is a vulnerable configuration.

Users of kdenetwork should upgrade to these updated packages, which contain
a backported patch, and are not vulnerable to this issue.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/

5. Bug IDs fixed (http://bugzilla.redhat.com/):

148912 - CAN-2005-0205 kppp local domain name hijacking

6. RPMs required:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
kdenetwork-2.2.2-3.1.src.rpm
6d45b649fdbf409ee1cac80df44cbaf3  kdenetwork-2.2.2-3.1.src.rpm

i386:
f77d0b1ec8454d5e9db1ac68075dd40a  kdenetwork-2.2.2-3.1.i386.rpm
e9ad587c10388c19b57de53297a56fc1  kdenetwork-ppp-2.2.2-3.1.i386.rpm

ia64:
ff112935f6c2c6993703ef942bdbce45  kdenetwork-2.2.2-3.1.ia64.rpm
6e6f090bf6e50e1357d05744eca2c04a  kdenetwork-ppp-2.2.2-3.1.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
kdenetwork-2.2.2-3.1.src.rpm
6d45b649fdbf409ee1cac80df44cbaf3  kdenetwork-2.2.2-3.1.src.rpm

ia64:
ff112935f6c2c6993703ef942bdbce45  kdenetwork-2.2.2-3.1.ia64.rpm
6e6f090bf6e50e1357d05744eca2c04a  kdenetwork-ppp-2.2.2-3.1.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
kdenetwork-2.2.2-3.1.src.rpm
6d45b649fdbf409ee1cac80df44cbaf3  kdenetwork-2.2.2-3.1.src.rpm

i386:
f77d0b1ec8454d5e9db1ac68075dd40a  kdenetwork-2.2.2-3.1.i386.rpm
e9ad587c10388c19b57de53297a56fc1  kdenetwork-ppp-2.2.2-3.1.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
kdenetwork-2.2.2-3.1.src.rpm
6d45b649fdbf409ee1cac80df44cbaf3  kdenetwork-2.2.2-3.1.src.rpm

i386:
f77d0b1ec8454d5e9db1ac68075dd40a  kdenetwork-2.2.2-3.1.i386.rpm
e9ad587c10388c19b57de53297a56fc1  kdenetwork-ppp-2.2.2-3.1.i386.rpm

Red Hat Enterprise Linux AS version 3:

SRPMS:
kdenetwork-3.1.3-1.8.src.rpm
0a726316b46482f984b35c9d1353c51a  kdenetwork-3.1.3-1.8.src.rpm

i386:
45731aeaf4549c038bb83fdca74fb4a3  kdenetwork-3.1.3-1.8.i386.rpm
53b0d4af942642630e09792d653c9db7  kdenetwork-devel-3.1.3-1.8.i386.rpm

ia64:
7bc73bc084db2416a5a727106088e563  kdenetwork-3.1.3-1.8.ia64.rpm
4d1fc33723154ddac7b1621189bdb82f  kdenetwork-devel-3.1.3-1.8.ia64.rpm

ppc:
5a74bdef261122d6d5c2e32dbef559ec  kdenetwork-3.1.3-1.8.ppc.rpm
c78052b174f31955e99bc415e959398f  kdenetwork-devel-3.1.3-1.8.ppc.rpm

s390:
3ab0491c71719fa9da87cd341d6e8486  kdenetwork-3.1.3-1.8.s390.rpm
d4110571eebc4978b073a3652726b763  kdenetwork-devel-3.1.3-1.8.s390.rpm

s390x:
18cc2a9c00a999b43e652374e7037220  kdenetwork-3.1.3-1.8.s390x.rpm
9a67309561e157e455480193f40a0a59  kdenetwork-devel-3.1.3-1.8.s390x.rpm

x86_64:
e078407491bbef5814ee0a610859ecc5  kdenetwork-3.1.3-1.8.x86_64.rpm
dfa39b122c1ae9352b01962d4f530254  kdenetwork-devel-3.1.3-1.8.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
kdenetwork-3.1.3-1.8.src.rpm
0a726316b46482f984b35c9d1353c51a  kdenetwork-3.1.3-1.8.src.rpm

i386:
45731aeaf4549c038bb83fdca74fb4a3  kdenetwork-3.1.3-1.8.i386.rpm
53b0d4af942642630e09792d653c9db7  kdenetwork-devel-3.1.3-1.8.i386.rpm

x86_64:
e078407491bbef5814ee0a610859ecc5  kdenetwork-3.1.3-1.8.x86_64.rpm
dfa39b122c1ae9352b01962d4f530254  kdenetwork-devel-3.1.3-1.8.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
kdenetwork-3.1.3-1.8.src.rpm
0a726316b46482f984b35c9d1353c51a  kdenetwork-3.1.3-1.8.src.rpm

i386:
45731aeaf4549c038bb83fdca74fb4a3  kdenetwork-3.1.3-1.8.i386.rpm
53b0d4af942642630e09792d653c9db7  kdenetwork-devel-3.1.3-1.8.i386.rpm

ia64:
7bc73bc084db2416a5a727106088e563  kdenetwork-3.1.3-1.8.ia64.rpm
4d1fc33723154ddac7b1621189bdb82f  kdenetwork-devel-3.1.3-1.8.ia64.rpm

x86_64:
e078407491bbef5814ee0a610859ecc5  kdenetwork-3.1.3-1.8.x86_64.rpm
dfa39b122c1ae9352b01962d4f530254  kdenetwork-devel-3.1.3-1.8.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
kdenetwork-3.1.3-1.8.src.rpm
0a726316b46482f984b35c9d1353c51a  kdenetwork-3.1.3-1.8.src.rpm

i386:
45731aeaf4549c038bb83fdca74fb4a3  kdenetwork-3.1.3-1.8.i386.rpm
53b0d4af942642630e09792d653c9db7  kdenetwork-devel-3.1.3-1.8.i386.rpm

ia64:
7bc73bc084db2416a5a727106088e563  kdenetwork-3.1.3-1.8.ia64.rpm
4d1fc33723154ddac7b1621189bdb82f  kdenetwork-devel-3.1.3-1.8.ia64.rpm

x86_64:
e078407491bbef5814ee0a610859ecc5  kdenetwork-3.1.3-1.8.x86_64.rpm
dfa39b122c1ae9352b01962d4f530254  kdenetwork-devel-3.1.3-1.8.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0205

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2005 Red Hat, Inc.

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