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AUSCERT External Security Bulletin Redistribution
ESB-2008.0732 -- [RedHat]
Moderate: rdesktop security update
25 July 2008
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: rdesktop
Publisher: Red Hat
Operating System: Red Hat Linux 5
Red Hat Linux 4
Red Hat Linux 3
Impact: Execute Arbitrary Code/Commands
Access: Remote/Unauthenticated
CVE Names: CVE-2008-1803 CVE-2008-1801
Ref: ESB-2008.0485
Original Bulletin: https://rhn.redhat.com/errata/RHSA-2008-0575.html
Comment: Please note there are three (3) Red Hat bulletins included in
this advisory.
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Red Hat Security Advisory
Synopsis: Moderate: rdesktop security update
Advisory ID: RHSA-2008:0575-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0575.html
Issue date: 2008-07-24
CVE Names: CVE-2008-1801 CVE-2008-1803
=====================================================================
1. Summary:
An updated rdesktop package that fixes a security issue is now available for
Red Hat Enterprise Linux 5.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
3. Description:
rdesktop is an open source client for Microsoft Windows NT Terminal Server
and Microsoft Windows 2000 and 2003 Terminal Services, capable of natively
using the Remote Desktop Protocol (RDP) to present the user's NT desktop.
No additional server extensions are required.
An integer underflow and integer signedness issue were discovered in the
rdesktop. If an attacker could convince a victim to connect to a malicious
RDP server, the attacker could cause the victim's rdesktop to crash or,
possibly, execute an arbitrary code. (CVE-2008-1801, CVE-2008-1803)
Users of rdesktop should upgrade to these updated packages, which contain a
backported patches to resolve these issues.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188
5. Bugs fixed (http://bugzilla.redhat.com/):
445825 - CVE-2008-1801 rdesktop: iso_recv_msg() Integer Underflow Vulnerability
445829 - CVE-2008-1803 rdesktop: channel_process() Integer Signedness Vulnerability
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-1.4.1-6.src.rpm
i386:
rdesktop-1.4.1-6.i386.rpm
rdesktop-debuginfo-1.4.1-6.i386.rpm
x86_64:
rdesktop-1.4.1-6.x86_64.rpm
rdesktop-debuginfo-1.4.1-6.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/rdesktop-1.4.1-6.src.rpm
i386:
rdesktop-1.4.1-6.i386.rpm
rdesktop-debuginfo-1.4.1-6.i386.rpm
ia64:
rdesktop-1.4.1-6.ia64.rpm
rdesktop-debuginfo-1.4.1-6.ia64.rpm
ppc:
rdesktop-1.4.1-6.ppc.rpm
rdesktop-debuginfo-1.4.1-6.ppc.rpm
s390x:
rdesktop-1.4.1-6.s390x.rpm
rdesktop-debuginfo-1.4.1-6.s390x.rpm
x86_64:
rdesktop-1.4.1-6.x86_64.rpm
rdesktop-debuginfo-1.4.1-6.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=CVE-2008-1801
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1803
http://www.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2008 Red Hat, Inc.
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Red Hat Security Advisory
Synopsis: Moderate: rdesktop security and bug fix update
Advisory ID: RHSA-2008:0725-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0725.html
Issue date: 2008-04-16
Updated on: 2008-07-24
CVE Names: CVE-2008-1801
=====================================================================
1. Summary:
Updated rdesktop packages that fix a security issue and a bug are now
available for Red Hat Enterprise Linux 4.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
3. Description:
rdesktop is an open source client for Microsoft Windows NT Terminal Server
and Microsoft Windows 2000 and 2003 Terminal Services, capable of natively
using the Remote Desktop Protocol (RDP) to present the user's NT desktop.
No additional server extensions are required.
An integer underflow vulnerability was discovered in the rdesktop. If an
attacker could convince a victim to connect to a malicious RDP server, the
attacker could cause the victim's rdesktop to crash or, possibly, execute
an arbitrary code. (CVE-2008-1801)
Additionally, the following bug was fixed:
A missing command line option caused rdesktop to fail when using the krdc
remote desktop utility. Using krdc to connect to a terminal server resulted
in errors such as the following:
The version of rdesktop you are using ([version]) is too old:
rdesktop [version] or greater is required. A working patch for rdesktop
[version] can be found in KDE CVS.
In this updated package, krdc successfully connects to terminal servers.
Users of rdesktop should upgrade to these updated packages, which contain a
backported patches to resolve these issues.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188
5. Bugs fixed (http://bugzilla.redhat.com/):
164462 - krdc requires rdesktop > 1.3.1
445825 - CVE-2008-1801 rdesktop: iso_recv_msg() Integer Underflow Vulnerability
6. Package List:
Red Hat Enterprise Linux AS version 4:
Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/rdesktop-1.3.1-9.src.rpm
i386:
rdesktop-1.3.1-9.i386.rpm
rdesktop-debuginfo-1.3.1-9.i386.rpm
ia64:
rdesktop-1.3.1-9.ia64.rpm
rdesktop-debuginfo-1.3.1-9.ia64.rpm
ppc:
rdesktop-1.3.1-9.ppc.rpm
rdesktop-debuginfo-1.3.1-9.ppc.rpm
s390:
rdesktop-1.3.1-9.s390.rpm
rdesktop-debuginfo-1.3.1-9.s390.rpm
s390x:
rdesktop-1.3.1-9.s390x.rpm
rdesktop-debuginfo-1.3.1-9.s390x.rpm
x86_64:
rdesktop-1.3.1-9.x86_64.rpm
rdesktop-debuginfo-1.3.1-9.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/rdesktop-1.3.1-9.src.rpm
i386:
rdesktop-1.3.1-9.i386.rpm
rdesktop-debuginfo-1.3.1-9.i386.rpm
x86_64:
rdesktop-1.3.1-9.x86_64.rpm
rdesktop-debuginfo-1.3.1-9.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/rdesktop-1.3.1-9.src.rpm
i386:
rdesktop-1.3.1-9.i386.rpm
rdesktop-debuginfo-1.3.1-9.i386.rpm
ia64:
rdesktop-1.3.1-9.ia64.rpm
rdesktop-debuginfo-1.3.1-9.ia64.rpm
x86_64:
rdesktop-1.3.1-9.x86_64.rpm
rdesktop-debuginfo-1.3.1-9.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/rdesktop-1.3.1-9.src.rpm
i386:
rdesktop-1.3.1-9.i386.rpm
rdesktop-debuginfo-1.3.1-9.i386.rpm
ia64:
rdesktop-1.3.1-9.ia64.rpm
rdesktop-debuginfo-1.3.1-9.ia64.rpm
x86_64:
rdesktop-1.3.1-9.x86_64.rpm
rdesktop-debuginfo-1.3.1-9.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=CVE-2008-1801
http://www.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2008 Red Hat, Inc.
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Red Hat Security Advisory
Synopsis: Moderate: rdesktop security update
Advisory ID: RHSA-2008:0576-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0576.html
Issue date: 2008-07-24
CVE Names: CVE-2008-1801
=====================================================================
1. Summary:
Updated rdesktop packages that fix a security issues are now available for
Red Hat Enterprise Linux 3.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
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. Description:
rdesktop is an open source client for Microsoft Windows NT Terminal Server
and Microsoft Windows 2000 and 2003 Terminal Services, capable of natively
using the Remote Desktop Protocol (RDP) to present the user's NT desktop.
No additional server extensions are required.
An integer underflow vulnerability was discovered in the rdesktop. If an
attacker could convince a victim to connect to a malicious RDP server, the
attacker could cause the victim's rdesktop to crash or, possibly, execute
an arbitrary code. (CVE-2008-1801)
Users of rdesktop should upgrade to these updated packages, which contain a
backported patch to resolve this issue.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188
5. Bugs fixed (http://bugzilla.redhat.com/):
445825 - CVE-2008-1801 rdesktop: iso_recv_msg() Integer Underflow Vulnerability
6. Package List:
Red Hat Enterprise Linux AS version 3:
Source:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/rdesktop-1.2.0-3.src.rpm
i386:
rdesktop-1.2.0-3.i386.rpm
rdesktop-debuginfo-1.2.0-3.i386.rpm
ia64:
rdesktop-1.2.0-3.ia64.rpm
rdesktop-debuginfo-1.2.0-3.ia64.rpm
ppc:
rdesktop-1.2.0-3.ppc.rpm
rdesktop-debuginfo-1.2.0-3.ppc.rpm
s390:
rdesktop-1.2.0-3.s390.rpm
rdesktop-debuginfo-1.2.0-3.s390.rpm
s390x:
rdesktop-1.2.0-3.s390x.rpm
rdesktop-debuginfo-1.2.0-3.s390x.rpm
x86_64:
rdesktop-1.2.0-3.x86_64.rpm
rdesktop-debuginfo-1.2.0-3.x86_64.rpm
Red Hat Desktop version 3:
Source:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/rdesktop-1.2.0-3.src.rpm
i386:
rdesktop-1.2.0-3.i386.rpm
rdesktop-debuginfo-1.2.0-3.i386.rpm
x86_64:
rdesktop-1.2.0-3.x86_64.rpm
rdesktop-debuginfo-1.2.0-3.x86_64.rpm
Red Hat Enterprise Linux ES version 3:
Source:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/rdesktop-1.2.0-3.src.rpm
i386:
rdesktop-1.2.0-3.i386.rpm
rdesktop-debuginfo-1.2.0-3.i386.rpm
ia64:
rdesktop-1.2.0-3.ia64.rpm
rdesktop-debuginfo-1.2.0-3.ia64.rpm
x86_64:
rdesktop-1.2.0-3.x86_64.rpm
rdesktop-debuginfo-1.2.0-3.x86_64.rpm
Red Hat Enterprise Linux WS version 3:
Source:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/rdesktop-1.2.0-3.src.rpm
i386:
rdesktop-1.2.0-3.i386.rpm
rdesktop-debuginfo-1.2.0-3.i386.rpm
ia64:
rdesktop-1.2.0-3.ia64.rpm
rdesktop-debuginfo-1.2.0-3.ia64.rpm
x86_64:
rdesktop-1.2.0-3.x86_64.rpm
rdesktop-debuginfo-1.2.0-3.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=CVE-2008-1801
http://www.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2008 Red Hat, Inc.
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