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(Red Hat Issues Fix) Samba Buffer Overflow in NDR Marshalling Code Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1026915 |
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SecurityTracker URL: http://securitytracker.com/id/1026915
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CVE Reference:
CVE-2012-1182
(Links to External Site)
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Date: Apr 11 2012
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Impact:
Execution of arbitrary code via network, Root access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 3.0.x to 3.6.3
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Description:
A vulnerability was reported in Samba. A remote user can execute arbitrary code on the target system.
A remote user can send a specially crafted RPC call to trigger a buffer overflow in the Network Data Representation (NDR) marshalling code and execute arbitrary code on the target system. The code will run with root privileges.
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Impact:
A remote user can execute arbitrary code with root privileges on the target system.
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Solution:
Red Hat has issued a fix.
The Red Hat advisory is available at:
https://rhn.redhat.com/errata/RHSA-2012-0466.html
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Vendor URL: www.samba.org/samba/history/samba-3.6.4.html (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
Linux (Red Hat Enterprise)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Tue, 10 Apr 2012 21:17:29 +0000
Subject: [RHSA-2012:0466-01] Critical: samba3x security update
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
=====================================================================
Red Hat Security Advisory
Synopsis: Critical: samba3x security update
Advisory ID: RHSA-2012:0466-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0466.html
Issue date: 2012-04-10
CVE Names: CVE-2012-1182
=====================================================================
1. Summary:
Updated samba3x packages that fix one security issue are now available for
Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 5.6 Extended Update
Support.
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
Red Hat Enterprise Linux EUS (v. 5.6 server) - i386, ia64, ppc, s390x, x86_64
3. Description:
Samba is an open-source implementation of the Server Message Block (SMB) or
Common Internet File System (CIFS) protocol, which allows PC-compatible
machines to share files, printers, and other information.
A flaw in the Samba suite's Perl-based DCE/RPC IDL (PIDL) compiler, used
to generate code to handle RPC calls, resulted in multiple buffer overflows
in Samba. A remote, unauthenticated attacker could send a specially-crafted
RPC request that would cause the Samba daemon (smbd) to crash or, possibly,
execute arbitrary code with the privileges of the root user.
(CVE-2012-1182)
Users of Samba are advised to upgrade to these updated packages, which
contain a backported patch to resolve 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
https://access.redhat.com/knowledge/articles/11258
5. Bugs fixed (http://bugzilla.redhat.com/):
804093 - CVE-2012-1182 samba: Multiple heap-based buffer overflows in memory management based on NDR marshalling code output
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-3.5.10-0.108.el5_8.src.rpm
i386:
samba3x-3.5.10-0.108.el5_8.i386.rpm
samba3x-client-3.5.10-0.108.el5_8.i386.rpm
samba3x-common-3.5.10-0.108.el5_8.i386.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.i386.rpm
samba3x-doc-3.5.10-0.108.el5_8.i386.rpm
samba3x-domainjoin-gui-3.5.10-0.108.el5_8.i386.rpm
samba3x-swat-3.5.10-0.108.el5_8.i386.rpm
samba3x-winbind-3.5.10-0.108.el5_8.i386.rpm
x86_64:
samba3x-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-client-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-common-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.i386.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-doc-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-domainjoin-gui-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-swat-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-winbind-3.5.10-0.108.el5_8.i386.rpm
samba3x-winbind-3.5.10-0.108.el5_8.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/samba3x-3.5.10-0.108.el5_8.src.rpm
i386:
samba3x-debuginfo-3.5.10-0.108.el5_8.i386.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.i386.rpm
x86_64:
samba3x-debuginfo-3.5.10-0.108.el5_8.i386.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.i386.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.x86_64.rpm
Red Hat Enterprise Linux EUS (v. 5.6 server):
Source:
samba3x-3.5.4-0.70.el5_6.2.src.rpm
i386:
samba3x-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-client-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-common-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-debuginfo-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-doc-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-domainjoin-gui-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-swat-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-winbind-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-winbind-devel-3.5.4-0.70.el5_6.2.i386.rpm
ia64:
samba3x-3.5.4-0.70.el5_6.2.ia64.rpm
samba3x-client-3.5.4-0.70.el5_6.2.ia64.rpm
samba3x-common-3.5.4-0.70.el5_6.2.ia64.rpm
samba3x-debuginfo-3.5.4-0.70.el5_6.2.ia64.rpm
samba3x-doc-3.5.4-0.70.el5_6.2.ia64.rpm
samba3x-domainjoin-gui-3.5.4-0.70.el5_6.2.ia64.rpm
samba3x-swat-3.5.4-0.70.el5_6.2.ia64.rpm
samba3x-winbind-3.5.4-0.70.el5_6.2.ia64.rpm
samba3x-winbind-devel-3.5.4-0.70.el5_6.2.ia64.rpm
ppc:
samba3x-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-client-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-common-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-debuginfo-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-debuginfo-3.5.4-0.70.el5_6.2.ppc64.rpm
samba3x-doc-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-domainjoin-gui-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-swat-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-winbind-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-winbind-3.5.4-0.70.el5_6.2.ppc64.rpm
samba3x-winbind-devel-3.5.4-0.70.el5_6.2.ppc.rpm
samba3x-winbind-devel-3.5.4-0.70.el5_6.2.ppc64.rpm
s390x:
samba3x-3.5.4-0.70.el5_6.2.s390x.rpm
samba3x-client-3.5.4-0.70.el5_6.2.s390x.rpm
samba3x-common-3.5.4-0.70.el5_6.2.s390x.rpm
samba3x-debuginfo-3.5.4-0.70.el5_6.2.s390.rpm
samba3x-debuginfo-3.5.4-0.70.el5_6.2.s390x.rpm
samba3x-doc-3.5.4-0.70.el5_6.2.s390x.rpm
samba3x-domainjoin-gui-3.5.4-0.70.el5_6.2.s390x.rpm
samba3x-swat-3.5.4-0.70.el5_6.2.s390x.rpm
samba3x-winbind-3.5.4-0.70.el5_6.2.s390.rpm
samba3x-winbind-3.5.4-0.70.el5_6.2.s390x.rpm
samba3x-winbind-devel-3.5.4-0.70.el5_6.2.s390.rpm
samba3x-winbind-devel-3.5.4-0.70.el5_6.2.s390x.rpm
x86_64:
samba3x-3.5.4-0.70.el5_6.2.x86_64.rpm
samba3x-client-3.5.4-0.70.el5_6.2.x86_64.rpm
samba3x-common-3.5.4-0.70.el5_6.2.x86_64.rpm
samba3x-debuginfo-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-debuginfo-3.5.4-0.70.el5_6.2.x86_64.rpm
samba3x-doc-3.5.4-0.70.el5_6.2.x86_64.rpm
samba3x-domainjoin-gui-3.5.4-0.70.el5_6.2.x86_64.rpm
samba3x-swat-3.5.4-0.70.el5_6.2.x86_64.rpm
samba3x-winbind-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-winbind-3.5.4-0.70.el5_6.2.x86_64.rpm
samba3x-winbind-devel-3.5.4-0.70.el5_6.2.i386.rpm
samba3x-winbind-devel-3.5.4-0.70.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/samba3x-3.5.10-0.108.el5_8.src.rpm
i386:
samba3x-3.5.10-0.108.el5_8.i386.rpm
samba3x-client-3.5.10-0.108.el5_8.i386.rpm
samba3x-common-3.5.10-0.108.el5_8.i386.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.i386.rpm
samba3x-doc-3.5.10-0.108.el5_8.i386.rpm
samba3x-domainjoin-gui-3.5.10-0.108.el5_8.i386.rpm
samba3x-swat-3.5.10-0.108.el5_8.i386.rpm
samba3x-winbind-3.5.10-0.108.el5_8.i386.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.i386.rpm
ia64:
samba3x-3.5.10-0.108.el5_8.ia64.rpm
samba3x-client-3.5.10-0.108.el5_8.ia64.rpm
samba3x-common-3.5.10-0.108.el5_8.ia64.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.ia64.rpm
samba3x-doc-3.5.10-0.108.el5_8.ia64.rpm
samba3x-domainjoin-gui-3.5.10-0.108.el5_8.ia64.rpm
samba3x-swat-3.5.10-0.108.el5_8.ia64.rpm
samba3x-winbind-3.5.10-0.108.el5_8.ia64.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.ia64.rpm
ppc:
samba3x-3.5.10-0.108.el5_8.ppc.rpm
samba3x-client-3.5.10-0.108.el5_8.ppc.rpm
samba3x-common-3.5.10-0.108.el5_8.ppc.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.ppc.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.ppc64.rpm
samba3x-doc-3.5.10-0.108.el5_8.ppc.rpm
samba3x-domainjoin-gui-3.5.10-0.108.el5_8.ppc.rpm
samba3x-swat-3.5.10-0.108.el5_8.ppc.rpm
samba3x-winbind-3.5.10-0.108.el5_8.ppc.rpm
samba3x-winbind-3.5.10-0.108.el5_8.ppc64.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.ppc.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.ppc64.rpm
s390x:
samba3x-3.5.10-0.108.el5_8.s390x.rpm
samba3x-client-3.5.10-0.108.el5_8.s390x.rpm
samba3x-common-3.5.10-0.108.el5_8.s390x.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.s390.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.s390x.rpm
samba3x-doc-3.5.10-0.108.el5_8.s390x.rpm
samba3x-domainjoin-gui-3.5.10-0.108.el5_8.s390x.rpm
samba3x-swat-3.5.10-0.108.el5_8.s390x.rpm
samba3x-winbind-3.5.10-0.108.el5_8.s390.rpm
samba3x-winbind-3.5.10-0.108.el5_8.s390x.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.s390.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.s390x.rpm
x86_64:
samba3x-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-client-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-common-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.i386.rpm
samba3x-debuginfo-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-doc-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-domainjoin-gui-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-swat-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-winbind-3.5.10-0.108.el5_8.i386.rpm
samba3x-winbind-3.5.10-0.108.el5_8.x86_64.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_8.i386.rpm
samba3x-winbind-devel-3.5.10-0.108.el5_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://access.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2012-1182.html
https://access.redhat.com/security/updates/classification/#critical
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2012 Red Hat, Inc.
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