(Red Hat Issues Fix) Samba smbd Integer Overflow in Allocating Security Descriptors May Let Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1012775 |
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SecurityTracker URL: http://securitytracker.com/id/1012775
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CVE Reference:
CVE-2004-1154
(Links to External Site)
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Date: Jan 5 2005
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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): 2.0.x, 2.2.x, and 3.0.x through 3.0.9
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Description:
iDEFENSE reported an integer overflow vulnerability in Samba smbd in the processing of MS-RPC requests. A remote authenticated user can execute arbitrary code with root privileges.
It is reported that there is a security descriptor integer overflow. A remote authenticated user can send specially crafted SMB messages to the target smb server to trigger a heap overflow during the allocation of memory to store the descriptors and execute arbitrary code.
Greg MacManus of iDEFENSE Labs is credited with discovering this flaw.
The original advisory is available at:
http://www.idefense.com/application/poi/display?id=165
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Impact:
A remote authenticated user may be able to execute arbitrary code on the target system with root privileges.
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Solution:
Red Hat has released a fix.
Red Hat Enterprise Linux AS (Advanced Server) version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/samba-2.2.12-1.21as.4.src.rpm
768fec75632b892c1579f64499077778 samba-2.2.12-1.21as.4.src.rpm
i386:
2ec84b7b858fac431c40ac6fdf9d0c95 samba-2.2.12-1.21as.4.i386.rpm
4821ef92f29f78edfd6b8205508ad46e samba-client-2.2.12-1.21as.4.i386.rpm
ca5d258eb32db22d3f8a9c695060435b samba-common-2.2.12-1.21as.4.i386.rpm
ade253e1a068c6387ed4b9fbea9a9d23 samba-swat-2.2.12-1.21as.4.i386.rpm
ia64:
52b06022e36a56f5e8371ee99aa27f37 samba-2.2.12-1.21as.4.ia64.rpm
67544e668799e5a1af5cf386995d6893 samba-client-2.2.12-1.21as.4.ia64.rpm
32ffc6b7077b876edcd480168263ac4d samba-common-2.2.12-1.21as.4.ia64.rpm
d3969f4263c42a81f975fe87b89581f9 samba-swat-2.2.12-1.21as.4.ia64.rpm
Red Hat Linux Advanced Workstation 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/samba-2.2.12-1.21as.4.src.rpm
768fec75632b892c1579f64499077778 samba-2.2.12-1.21as.4.src.rpm
ia64:
52b06022e36a56f5e8371ee99aa27f37 samba-2.2.12-1.21as.4.ia64.rpm
67544e668799e5a1af5cf386995d6893 samba-client-2.2.12-1.21as.4.ia64.rpm
32ffc6b7077b876edcd480168263ac4d samba-common-2.2.12-1.21as.4.ia64.rpm
d3969f4263c42a81f975fe87b89581f9 samba-swat-2.2.12-1.21as.4.ia64.rpm
Red Hat Enterprise Linux ES version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/samba-2.2.12-1.21as.4.src.rpm
768fec75632b892c1579f64499077778 samba-2.2.12-1.21as.4.src.rpm
i386:
2ec84b7b858fac431c40ac6fdf9d0c95 samba-2.2.12-1.21as.4.i386.rpm
4821ef92f29f78edfd6b8205508ad46e samba-client-2.2.12-1.21as.4.i386.rpm
ca5d258eb32db22d3f8a9c695060435b samba-common-2.2.12-1.21as.4.i386.rpm
ade253e1a068c6387ed4b9fbea9a9d23 samba-swat-2.2.12-1.21as.4.i386.rpm
Red Hat Enterprise Linux WS version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/samba-2.2.12-1.21as.4.src.rpm
768fec75632b892c1579f64499077778 samba-2.2.12-1.21as.4.src.rpm
i386:
2ec84b7b858fac431c40ac6fdf9d0c95 samba-2.2.12-1.21as.4.i386.rpm
4821ef92f29f78edfd6b8205508ad46e samba-client-2.2.12-1.21as.4.i386.rpm
ca5d258eb32db22d3f8a9c695060435b samba-common-2.2.12-1.21as.4.i386.rpm
ade253e1a068c6387ed4b9fbea9a9d23 samba-swat-2.2.12-1.21as.4.i386.rpm
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Vendor URL: samba.org/samba/security/CAN-2004-1154.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: Wed, 5 Jan 2005 10:46 -0500
Subject: [RHSA-2005:020-01] Updated samba packages fix security issue
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- ---------------------------------------------------------------------
Red Hat Security Advisory
Synopsis: Updated samba packages fix security issue
Advisory ID: RHSA-2005:020-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2005-020.html
Issue date: 2005-01-05
Updated on: 2005-01-05
Product: Red Hat Enterprise Linux
Obsoletes: RHSA-2004:681
CVE Names: CAN-2004-1154
- ---------------------------------------------------------------------
1. Summary:
Updated samba packages that fix an integer overflow vulnerability are now
available for Red Hat Enterprise Linux 2.1.
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
3. Problem description:
Samba provides file and printer sharing services to SMB/CIFS clients.
Greg MacManus of iDEFENSE Labs discovered an integer overflow bug in Samba
versions prior to 3.0.10. An authenticated remote user could exploit this
bug, which could lead to arbitrary code execution on the Samba server. The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2004-1154 to this issue.
Please note that the patch included in RHSA-2004:681 was incomplete and may
not have fixed CAN-2004-1154. These packages contain a complete fix for
CAN-2004-1154 along with some additional checks to mitigate similar issues
in the future.
Users of Samba should upgrade to these updated packages, which contain
backported security patches, and are not vulnerable to these issues.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied. Use Red Hat
Network to download and update your packages. To launch the Red Hat
Update Agent, use the following command:
up2date
For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:
http://www.redhat.com/docs/manuals/enterprise/
5. Bug IDs fixed (http://bugzilla.redhat.com/):
142472 - CAN-2004-1154 Samba authenticated remote root
6. RPMs required:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/samba-2.2.12-1.21as.4.src.rpm
768fec75632b892c1579f64499077778 samba-2.2.12-1.21as.4.src.rpm
i386:
2ec84b7b858fac431c40ac6fdf9d0c95 samba-2.2.12-1.21as.4.i386.rpm
4821ef92f29f78edfd6b8205508ad46e samba-client-2.2.12-1.21as.4.i386.rpm
ca5d258eb32db22d3f8a9c695060435b samba-common-2.2.12-1.21as.4.i386.rpm
ade253e1a068c6387ed4b9fbea9a9d23 samba-swat-2.2.12-1.21as.4.i386.rpm
ia64:
52b06022e36a56f5e8371ee99aa27f37 samba-2.2.12-1.21as.4.ia64.rpm
67544e668799e5a1af5cf386995d6893 samba-client-2.2.12-1.21as.4.ia64.rpm
32ffc6b7077b876edcd480168263ac4d samba-common-2.2.12-1.21as.4.ia64.rpm
d3969f4263c42a81f975fe87b89581f9 samba-swat-2.2.12-1.21as.4.ia64.rpm
Red Hat Linux Advanced Workstation 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/samba-2.2.12-1.21as.4.src.rpm
768fec75632b892c1579f64499077778 samba-2.2.12-1.21as.4.src.rpm
ia64:
52b06022e36a56f5e8371ee99aa27f37 samba-2.2.12-1.21as.4.ia64.rpm
67544e668799e5a1af5cf386995d6893 samba-client-2.2.12-1.21as.4.ia64.rpm
32ffc6b7077b876edcd480168263ac4d samba-common-2.2.12-1.21as.4.ia64.rpm
d3969f4263c42a81f975fe87b89581f9 samba-swat-2.2.12-1.21as.4.ia64.rpm
Red Hat Enterprise Linux ES version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/samba-2.2.12-1.21as.4.src.rpm
768fec75632b892c1579f64499077778 samba-2.2.12-1.21as.4.src.rpm
i386:
2ec84b7b858fac431c40ac6fdf9d0c95 samba-2.2.12-1.21as.4.i386.rpm
4821ef92f29f78edfd6b8205508ad46e samba-client-2.2.12-1.21as.4.i386.rpm
ca5d258eb32db22d3f8a9c695060435b samba-common-2.2.12-1.21as.4.i386.rpm
ade253e1a068c6387ed4b9fbea9a9d23 samba-swat-2.2.12-1.21as.4.i386.rpm
Red Hat Enterprise Linux WS version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/samba-2.2.12-1.21as.4.src.rpm
768fec75632b892c1579f64499077778 samba-2.2.12-1.21as.4.src.rpm
i386:
2ec84b7b858fac431c40ac6fdf9d0c95 samba-2.2.12-1.21as.4.i386.rpm
4821ef92f29f78edfd6b8205508ad46e samba-client-2.2.12-1.21as.4.i386.rpm
ca5d258eb32db22d3f8a9c695060435b samba-common-2.2.12-1.21as.4.i386.rpm
ade253e1a068c6387ed4b9fbea9a9d23 samba-swat-2.2.12-1.21as.4.i386.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=CAN-2004-1154
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2005 Red Hat, Inc.
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