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                   Red Hat Security Advisory

Synopsis:          Moderate: rdesktop security update
Advisory ID:       RHSA-2011:0506-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0506.html
Issue date:        2011-05-11
CVE Names:         CVE-2011-1595 
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1. Summary:

An updated rdesktop package that fixes one security issue is now available
for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

3. Description:

rdesktop is a client for the Remote Desktop Server (previously, Terminal
Server) in Microsoft Windows. It uses the Remote Desktop Protocol (RDP) to
remotely present a user's desktop.

A directory traversal flaw was found in the way rdesktop shared a local
path with a remote server. If a user connects to a malicious server with
rdesktop, the server could use this flaw to cause rdesktop to read and
write to arbitrary, local files accessible to the user running rdesktop.
(CVE-2011-1595)

Red Hat would like to thank Cendio AB for reporting this issue. Cendio AB
acknowledges an anonymous contributor working with the SecuriTeam Secure
Disclosure program as the original reporter.

Users of rdesktop should upgrade to this updated package, which contains a
backported patch to resolve this issue.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

676252 - CVE-2011-1595 rdesktop remote file access

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/rdesktop-1.6.0-3.el5_6.2.src.rpm

i386:
rdesktop-1.6.0-3.el5_6.2.i386.rpm
rdesktop-debuginfo-1.6.0-3.el5_6.2.i386.rpm

x86_64:
rdesktop-1.6.0-3.el5_6.2.x86_64.rpm
rdesktop-debuginfo-1.6.0-3.el5_6.2.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/rdesktop-1.6.0-3.el5_6.2.src.rpm

i386:
rdesktop-1.6.0-3.el5_6.2.i386.rpm
rdesktop-debuginfo-1.6.0-3.el5_6.2.i386.rpm

ia64:
rdesktop-1.6.0-3.el5_6.2.ia64.rpm
rdesktop-debuginfo-1.6.0-3.el5_6.2.ia64.rpm

ppc:
rdesktop-1.6.0-3.el5_6.2.ppc.rpm
rdesktop-debuginfo-1.6.0-3.el5_6.2.ppc.rpm

s390x:
rdesktop-1.6.0-3.el5_6.2.s390x.rpm
rdesktop-debuginfo-1.6.0-3.el5_6.2.s390x.rpm

x86_64:
rdesktop-1.6.0-3.el5_6.2.x86_64.rpm
rdesktop-debuginfo-1.6.0-3.el5_6.2.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/rdesktop-1.6.0-8.el6_0.1.src.rpm

i386:
rdesktop-1.6.0-8.el6_0.1.i686.rpm
rdesktop-debuginfo-1.6.0-8.el6_0.1.i686.rpm

x86_64:
rdesktop-1.6.0-8.el6_0.1.x86_64.rpm
rdesktop-debuginfo-1.6.0-8.el6_0.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/rdesktop-1.6.0-8.el6_0.1.src.rpm

i386:
rdesktop-1.6.0-8.el6_0.1.i686.rpm
rdesktop-debuginfo-1.6.0-8.el6_0.1.i686.rpm

ppc64:
rdesktop-1.6.0-8.el6_0.1.ppc64.rpm
rdesktop-debuginfo-1.6.0-8.el6_0.1.ppc64.rpm

s390x:
rdesktop-1.6.0-8.el6_0.1.s390x.rpm
rdesktop-debuginfo-1.6.0-8.el6_0.1.s390x.rpm

x86_64:
rdesktop-1.6.0-8.el6_0.1.x86_64.rpm
rdesktop-debuginfo-1.6.0-8.el6_0.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/rdesktop-1.6.0-8.el6_0.1.src.rpm

i386:
rdesktop-1.6.0-8.el6_0.1.i686.rpm
rdesktop-debuginfo-1.6.0-8.el6_0.1.i686.rpm

x86_64:
rdesktop-1.6.0-8.el6_0.1.x86_64.rpm
rdesktop-debuginfo-1.6.0-8.el6_0.1.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://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-1595.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2011 Red Hat, Inc.
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