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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
(Red Hat Issues Fix for samba3x) Samba Buffer Overflow in sid_parse() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1024447
SecurityTracker URL:  http://securitytracker.com/id/1024447
CVE Reference:   CVE-2010-3069   (Links to External Site)
Date:  Sep 14 2010
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.0 - 3.5.4
Description:   A vulnerability was reported in Samba. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted Windows Security ID data to trigger a stack overflow in sid_parse() and execute arbitrary code on the target system. The code will run with the privileges of the target smbd service.

Andrew Bartlett of Cisco reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Red Hat has issued a fix for samba3x.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2010-0698.html

Vendor URL:  samba.org/samba/security/CVE-2010-3069.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5

Message History:   This archive entry is a follow-up to the message listed below.
Sep 14 2010 Samba Buffer Overflow in sid_parse() Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2010:0698-01] Critical: samba3x security update

-----BEGIN PGP SIGNED MESSAGE-----
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Critical: samba3x security update
Advisory ID:       RHSA-2010:0698-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2010-0698.html
Issue date:        2010-09-14
CVE Names:         CVE-2010-3069 
=====================================================================

1. Summary:

Updated samba3x packages that fix one security issue are now available for
Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having critical
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:

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

3. Description:

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

A missing array boundary checking flaw was found in the way Samba parsed
the binary representation of Windows security identifiers (SIDs). A
malicious client could send a specially-crafted SMB request to the Samba
server, resulting in arbitrary code execution with the privileges of the
Samba server (smbd). (CVE-2010-3069)

Users of Samba are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing this
update, the smb service will be restarted automatically.

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
http://kbase.redhat.com/faq/docs/DOC-11259

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

630869 - CVE-2010-3069 Samba: Stack-based buffer overflow by processing specially-crafted SID records

6. Package List:

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/samba3x-3.3.8-0.52.el5_5.2.src.rpm

i386:
libtalloc-1.2.0-52.el5_5.2.i386.rpm
libtalloc-devel-1.2.0-52.el5_5.2.i386.rpm
libtdb-1.1.2-52.el5_5.2.i386.rpm
libtdb-devel-1.1.2-52.el5_5.2.i386.rpm
samba3x-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-client-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-common-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-doc-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-domainjoin-gui-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-swat-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.i386.rpm
tdb-tools-1.1.2-52.el5_5.2.i386.rpm

x86_64:
libtalloc-1.2.0-52.el5_5.2.i386.rpm
libtalloc-1.2.0-52.el5_5.2.x86_64.rpm
libtalloc-devel-1.2.0-52.el5_5.2.i386.rpm
libtalloc-devel-1.2.0-52.el5_5.2.x86_64.rpm
libtdb-1.1.2-52.el5_5.2.i386.rpm
libtdb-1.1.2-52.el5_5.2.x86_64.rpm
libtdb-devel-1.1.2-52.el5_5.2.i386.rpm
libtdb-devel-1.1.2-52.el5_5.2.x86_64.rpm
samba3x-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-client-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-common-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-doc-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-domainjoin-gui-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-swat-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.x86_64.rpm
tdb-tools-1.1.2-52.el5_5.2.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

i386:
libtalloc-devel-1.2.0-52.el5_5.2.i386.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.i386.rpm

x86_64:
libtalloc-devel-1.2.0-52.el5_5.2.i386.rpm
libtalloc-devel-1.2.0-52.el5_5.2.x86_64.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/samba3x-3.3.8-0.52.el5_5.2.src.rpm

i386:
libtalloc-1.2.0-52.el5_5.2.i386.rpm
libtalloc-devel-1.2.0-52.el5_5.2.i386.rpm
libtdb-1.1.2-52.el5_5.2.i386.rpm
libtdb-devel-1.1.2-52.el5_5.2.i386.rpm
samba3x-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-client-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-common-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-doc-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-domainjoin-gui-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-swat-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.i386.rpm
tdb-tools-1.1.2-52.el5_5.2.i386.rpm

ia64:
libtalloc-1.2.0-52.el5_5.2.ia64.rpm
libtalloc-devel-1.2.0-52.el5_5.2.ia64.rpm
libtdb-1.1.2-52.el5_5.2.ia64.rpm
libtdb-devel-1.1.2-52.el5_5.2.ia64.rpm
samba3x-3.3.8-0.52.el5_5.2.ia64.rpm
samba3x-client-3.3.8-0.52.el5_5.2.ia64.rpm
samba3x-common-3.3.8-0.52.el5_5.2.ia64.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.ia64.rpm
samba3x-doc-3.3.8-0.52.el5_5.2.ia64.rpm
samba3x-domainjoin-gui-3.3.8-0.52.el5_5.2.ia64.rpm
samba3x-swat-3.3.8-0.52.el5_5.2.ia64.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.ia64.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.ia64.rpm
tdb-tools-1.1.2-52.el5_5.2.ia64.rpm

ppc:
libtalloc-1.2.0-52.el5_5.2.ppc.rpm
libtalloc-1.2.0-52.el5_5.2.ppc64.rpm
libtalloc-devel-1.2.0-52.el5_5.2.ppc.rpm
libtalloc-devel-1.2.0-52.el5_5.2.ppc64.rpm
libtdb-1.1.2-52.el5_5.2.ppc.rpm
libtdb-1.1.2-52.el5_5.2.ppc64.rpm
libtdb-devel-1.1.2-52.el5_5.2.ppc.rpm
libtdb-devel-1.1.2-52.el5_5.2.ppc64.rpm
samba3x-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-client-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-common-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.ppc64.rpm
samba3x-doc-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-domainjoin-gui-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-swat-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.ppc64.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.ppc.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.ppc64.rpm
tdb-tools-1.1.2-52.el5_5.2.ppc.rpm

s390x:
libtalloc-1.2.0-52.el5_5.2.s390.rpm
libtalloc-1.2.0-52.el5_5.2.s390x.rpm
libtalloc-devel-1.2.0-52.el5_5.2.s390.rpm
libtalloc-devel-1.2.0-52.el5_5.2.s390x.rpm
libtdb-1.1.2-52.el5_5.2.s390.rpm
libtdb-1.1.2-52.el5_5.2.s390x.rpm
libtdb-devel-1.1.2-52.el5_5.2.s390.rpm
libtdb-devel-1.1.2-52.el5_5.2.s390x.rpm
samba3x-3.3.8-0.52.el5_5.2.s390x.rpm
samba3x-client-3.3.8-0.52.el5_5.2.s390x.rpm
samba3x-common-3.3.8-0.52.el5_5.2.s390x.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.s390.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.s390x.rpm
samba3x-doc-3.3.8-0.52.el5_5.2.s390x.rpm
samba3x-domainjoin-gui-3.3.8-0.52.el5_5.2.s390x.rpm
samba3x-swat-3.3.8-0.52.el5_5.2.s390x.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.s390.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.s390x.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.s390.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.s390x.rpm
tdb-tools-1.1.2-52.el5_5.2.s390x.rpm

x86_64:
libtalloc-1.2.0-52.el5_5.2.i386.rpm
libtalloc-1.2.0-52.el5_5.2.x86_64.rpm
libtalloc-devel-1.2.0-52.el5_5.2.i386.rpm
libtalloc-devel-1.2.0-52.el5_5.2.x86_64.rpm
libtdb-1.1.2-52.el5_5.2.i386.rpm
libtdb-1.1.2-52.el5_5.2.x86_64.rpm
libtdb-devel-1.1.2-52.el5_5.2.i386.rpm
libtdb-devel-1.1.2-52.el5_5.2.x86_64.rpm
samba3x-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-client-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-common-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-debuginfo-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-doc-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-domainjoin-gui-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-swat-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-winbind-3.3.8-0.52.el5_5.2.x86_64.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.i386.rpm
samba3x-winbind-devel-3.3.8-0.52.el5_5.2.x86_64.rpm
tdb-tools-1.1.2-52.el5_5.2.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:

https://www.redhat.com/security/data/cve/CVE-2010-3069.html
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 2010 Red Hat, Inc.
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