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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
(Red Hat Issues Fix) Samba Buffer Overflow in receive_smb_raw() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1020124
SecurityTracker URL:  http://securitytracker.com/id/1020124
CVE Reference:   CVE-2008-1105   (Links to External Site)
Date:  May 28 2008
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Samba. A remote user can execute arbitrary code on the target system.

A remote server can send a specially crafted SMB packet to a connected client to trigger a heap overflow in receive_smb_raw() and execute arbitrary code on the target client system.

A remote user can also send a specially crafted print request to a target nmbd server to execute arbitrary code on the target server. The code will run with the privileges of the target service.

The vulnerability resides in 'lib/util_sock.c'.

The vendor was notified on May 15, 2008.

Alin Rad Pop of Secunia Research reported this vulnerability.

The original advisory is available at:

http://secunia.com/secunia_research/2008-20/advisory/

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Red Hat has released a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2008-0288.html

Vendor URL:  samba.org/samba/security/CVE-2008-1105.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  2.1, 3, 4

Message History:   This archive entry is a follow-up to the message listed below.
May 28 2008 Samba Buffer Overflow in receive_smb_raw() Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2008:0288-01] Critical: samba security update


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Critical: samba security update
Advisory ID:       RHSA-2008:0288-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2008-0288.html
Issue date:        2008-05-28
CVE Names:         CVE-2008-1105 
=====================================================================

1. Summary:

Updated samba packages that fix a security issue and a bug are now
available for Red Hat Enterprise Linux 2.1, Red Hat Enterprise Linux 3, and
Red Hat Enterprise Linux 4.

This update has been rated as having critical 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
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:

Samba is a suite of programs used by machines to share files, printers, and
other information.

A heap-based buffer overflow flaw was found in the way Samba clients handle
over-sized packets. If a client connected to a malicious Samba server, it
was possible to execute arbitrary code as the Samba client user. It was
also possible for a remote user to send a specially crafted print request
to a Samba server that could result in the server executing the vulnerable
client code, resulting in arbitrary code execution with the permissions of
the Samba server. (CVE-2008-1105)

Red Hat would like to thank Alin Rad Pop of Secunia Research for
responsibly disclosing this issue.

Users of Samba are advised to 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/):

446724 - CVE-2008-1105 Samba client buffer overflow

6. Package List:

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

Source:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/samba-2.2.12-1.21as.9.3.src.rpm

i386:
samba-2.2.12-1.21as.9.3.i386.rpm
samba-client-2.2.12-1.21as.9.3.i386.rpm
samba-common-2.2.12-1.21as.9.3.i386.rpm
samba-swat-2.2.12-1.21as.9.3.i386.rpm

ia64:
samba-2.2.12-1.21as.9.3.ia64.rpm
samba-client-2.2.12-1.21as.9.3.ia64.rpm
samba-common-2.2.12-1.21as.9.3.ia64.rpm
samba-swat-2.2.12-1.21as.9.3.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

Source:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/samba-2.2.12-1.21as.9.3.src.rpm

ia64:
samba-2.2.12-1.21as.9.3.ia64.rpm
samba-client-2.2.12-1.21as.9.3.ia64.rpm
samba-common-2.2.12-1.21as.9.3.ia64.rpm
samba-swat-2.2.12-1.21as.9.3.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

Source:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/samba-2.2.12-1.21as.9.3.src.rpm

i386:
samba-2.2.12-1.21as.9.3.i386.rpm
samba-client-2.2.12-1.21as.9.3.i386.rpm
samba-common-2.2.12-1.21as.9.3.i386.rpm
samba-swat-2.2.12-1.21as.9.3.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

Source:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/samba-2.2.12-1.21as.9.3.src.rpm

i386:
samba-2.2.12-1.21as.9.3.i386.rpm
samba-client-2.2.12-1.21as.9.3.i386.rpm
samba-common-2.2.12-1.21as.9.3.i386.rpm
samba-swat-2.2.12-1.21as.9.3.i386.rpm

Red Hat Enterprise Linux AS version 3:

Source:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/samba-3.0.9-1.3E.15.src.rpm

i386:
samba-3.0.9-1.3E.15.i386.rpm
samba-client-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-swat-3.0.9-1.3E.15.i386.rpm

ia64:
samba-3.0.9-1.3E.15.i386.rpm
samba-3.0.9-1.3E.15.ia64.rpm
samba-client-3.0.9-1.3E.15.ia64.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.ia64.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.ia64.rpm
samba-swat-3.0.9-1.3E.15.ia64.rpm

ppc:
samba-3.0.9-1.3E.15.ppc.rpm
samba-3.0.9-1.3E.15.ppc64.rpm
samba-client-3.0.9-1.3E.15.ppc.rpm
samba-common-3.0.9-1.3E.15.ppc.rpm
samba-common-3.0.9-1.3E.15.ppc64.rpm
samba-debuginfo-3.0.9-1.3E.15.ppc.rpm
samba-debuginfo-3.0.9-1.3E.15.ppc64.rpm
samba-swat-3.0.9-1.3E.15.ppc.rpm

s390:
samba-3.0.9-1.3E.15.s390.rpm
samba-client-3.0.9-1.3E.15.s390.rpm
samba-common-3.0.9-1.3E.15.s390.rpm
samba-debuginfo-3.0.9-1.3E.15.s390.rpm
samba-swat-3.0.9-1.3E.15.s390.rpm

s390x:
samba-3.0.9-1.3E.15.s390.rpm
samba-3.0.9-1.3E.15.s390x.rpm
samba-client-3.0.9-1.3E.15.s390x.rpm
samba-common-3.0.9-1.3E.15.s390.rpm
samba-common-3.0.9-1.3E.15.s390x.rpm
samba-debuginfo-3.0.9-1.3E.15.s390.rpm
samba-debuginfo-3.0.9-1.3E.15.s390x.rpm
samba-swat-3.0.9-1.3E.15.s390x.rpm

x86_64:
samba-3.0.9-1.3E.15.i386.rpm
samba-3.0.9-1.3E.15.x86_64.rpm
samba-client-3.0.9-1.3E.15.x86_64.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.x86_64.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.x86_64.rpm
samba-swat-3.0.9-1.3E.15.x86_64.rpm

Red Hat Desktop version 3:

Source:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/samba-3.0.9-1.3E.15.src.rpm

i386:
samba-3.0.9-1.3E.15.i386.rpm
samba-client-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-swat-3.0.9-1.3E.15.i386.rpm

x86_64:
samba-3.0.9-1.3E.15.i386.rpm
samba-3.0.9-1.3E.15.x86_64.rpm
samba-client-3.0.9-1.3E.15.x86_64.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.x86_64.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.x86_64.rpm
samba-swat-3.0.9-1.3E.15.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

Source:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/samba-3.0.9-1.3E.15.src.rpm

i386:
samba-3.0.9-1.3E.15.i386.rpm
samba-client-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-swat-3.0.9-1.3E.15.i386.rpm

ia64:
samba-3.0.9-1.3E.15.i386.rpm
samba-3.0.9-1.3E.15.ia64.rpm
samba-client-3.0.9-1.3E.15.ia64.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.ia64.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.ia64.rpm
samba-swat-3.0.9-1.3E.15.ia64.rpm

x86_64:
samba-3.0.9-1.3E.15.i386.rpm
samba-3.0.9-1.3E.15.x86_64.rpm
samba-client-3.0.9-1.3E.15.x86_64.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.x86_64.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.x86_64.rpm
samba-swat-3.0.9-1.3E.15.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

Source:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/samba-3.0.9-1.3E.15.src.rpm

i386:
samba-3.0.9-1.3E.15.i386.rpm
samba-client-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-swat-3.0.9-1.3E.15.i386.rpm

ia64:
samba-3.0.9-1.3E.15.i386.rpm
samba-3.0.9-1.3E.15.ia64.rpm
samba-client-3.0.9-1.3E.15.ia64.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.ia64.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.ia64.rpm
samba-swat-3.0.9-1.3E.15.ia64.rpm

x86_64:
samba-3.0.9-1.3E.15.i386.rpm
samba-3.0.9-1.3E.15.x86_64.rpm
samba-client-3.0.9-1.3E.15.x86_64.rpm
samba-common-3.0.9-1.3E.15.i386.rpm
samba-common-3.0.9-1.3E.15.x86_64.rpm
samba-debuginfo-3.0.9-1.3E.15.i386.rpm
samba-debuginfo-3.0.9-1.3E.15.x86_64.rpm
samba-swat-3.0.9-1.3E.15.x86_64.rpm

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/samba-3.0.25b-1.el4_6.5.src.rpm

i386:
samba-3.0.25b-1.el4_6.5.i386.rpm
samba-client-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-swat-3.0.25b-1.el4_6.5.i386.rpm

ia64:
samba-3.0.25b-1.el4_6.5.ia64.rpm
samba-client-3.0.25b-1.el4_6.5.ia64.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.ia64.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.ia64.rpm
samba-swat-3.0.25b-1.el4_6.5.ia64.rpm

ppc:
samba-3.0.25b-1.el4_6.5.ppc.rpm
samba-client-3.0.25b-1.el4_6.5.ppc.rpm
samba-common-3.0.25b-1.el4_6.5.ppc.rpm
samba-common-3.0.25b-1.el4_6.5.ppc64.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.ppc.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.ppc64.rpm
samba-swat-3.0.25b-1.el4_6.5.ppc.rpm

s390:
samba-3.0.25b-1.el4_6.5.s390.rpm
samba-client-3.0.25b-1.el4_6.5.s390.rpm
samba-common-3.0.25b-1.el4_6.5.s390.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.s390.rpm
samba-swat-3.0.25b-1.el4_6.5.s390.rpm

s390x:
samba-3.0.25b-1.el4_6.5.s390x.rpm
samba-client-3.0.25b-1.el4_6.5.s390x.rpm
samba-common-3.0.25b-1.el4_6.5.s390.rpm
samba-common-3.0.25b-1.el4_6.5.s390x.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.s390.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.s390x.rpm
samba-swat-3.0.25b-1.el4_6.5.s390x.rpm

x86_64:
samba-3.0.25b-1.el4_6.5.x86_64.rpm
samba-client-3.0.25b-1.el4_6.5.x86_64.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.x86_64.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.x86_64.rpm
samba-swat-3.0.25b-1.el4_6.5.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/samba-3.0.25b-1.el4_6.5.src.rpm

i386:
samba-3.0.25b-1.el4_6.5.i386.rpm
samba-client-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-swat-3.0.25b-1.el4_6.5.i386.rpm

x86_64:
samba-3.0.25b-1.el4_6.5.x86_64.rpm
samba-client-3.0.25b-1.el4_6.5.x86_64.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.x86_64.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.x86_64.rpm
samba-swat-3.0.25b-1.el4_6.5.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/samba-3.0.25b-1.el4_6.5.src.rpm

i386:
samba-3.0.25b-1.el4_6.5.i386.rpm
samba-client-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-swat-3.0.25b-1.el4_6.5.i386.rpm

ia64:
samba-3.0.25b-1.el4_6.5.ia64.rpm
samba-client-3.0.25b-1.el4_6.5.ia64.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.ia64.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.ia64.rpm
samba-swat-3.0.25b-1.el4_6.5.ia64.rpm

x86_64:
samba-3.0.25b-1.el4_6.5.x86_64.rpm
samba-client-3.0.25b-1.el4_6.5.x86_64.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.x86_64.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.x86_64.rpm
samba-swat-3.0.25b-1.el4_6.5.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/samba-3.0.25b-1.el4_6.5.src.rpm

i386:
samba-3.0.25b-1.el4_6.5.i386.rpm
samba-client-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-swat-3.0.25b-1.el4_6.5.i386.rpm

ia64:
samba-3.0.25b-1.el4_6.5.ia64.rpm
samba-client-3.0.25b-1.el4_6.5.ia64.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.ia64.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.ia64.rpm
samba-swat-3.0.25b-1.el4_6.5.ia64.rpm

x86_64:
samba-3.0.25b-1.el4_6.5.x86_64.rpm
samba-client-3.0.25b-1.el4_6.5.x86_64.rpm
samba-common-3.0.25b-1.el4_6.5.i386.rpm
samba-common-3.0.25b-1.el4_6.5.x86_64.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.i386.rpm
samba-debuginfo-3.0.25b-1.el4_6.5.x86_64.rpm
samba-swat-3.0.25b-1.el4_6.5.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-2008-1105
http://www.redhat.com/security/updates/classification/#critical

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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