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Gentoo Linux Security Advisory                           GLSA 200703-01
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                                            https://security.gentoo.org/
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  Severity: High
     Title: Snort: Remote execution of arbitrary code
      Date: February 23, 2007
      Bugs: #167730
        ID: 200703-01

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Synopsis
=======
The Snort DCE/RPC preprocessor contains a buffer overflow that could
result in the remote execution of arbitrary code.

Background
=========
Snort is a widely deployed intrusion detection program.

Affected packages
================
    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/snort      < 2.6.1.3                      >= 2.6.1.3

Description
==========
The Snort DCE/RPC preprocessor does not properly reassemble certain
types of fragmented SMB and DCE/RPC packets.

Impact
=====
A remote attacker could send specially crafted fragmented SMB or
DCE/RPC packets, without the need to finish the TCP handshake, that
would trigger a stack-based buffer overflow while being reassembled.
This could lead to the execution of arbitrary code with the permissions
of the user running the Snort preprocessor.

Workaround
=========
Disable the DCE/RPC processor by commenting 'preprocessor rpc_decode'
and 'include $RULE_PATH/rpc.rules' from /etc/snort/snort.conf .

Resolution
=========
All Snort users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-analyzer/snort-2.6.1.3"

References
=========
  [ 1 ] CVE-2006-5276
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5276

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/200703-01

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org/.

License
======
Copyright 2007 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/

Gentoo: GLSA-200703-01: Snort: Remote execution of arbitrary code

The Snort DCE/RPC preprocessor contains a buffer overflow that could result in the remote execution of arbitrary code.

Summary

Gentoo Linux Security Advisory GLSA 200703-01 https://security.gentoo.org/ Severity: High Title: Snort: Remote execution of arbitrary code Date: February 23, 2007 Bugs: #167730 ID: 200703-01

Synopsis ======= The Snort DCE/RPC preprocessor contains a buffer overflow that could result in the remote execution of arbitrary code.
Background ========= Snort is a widely deployed intrusion detection program.
Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-analyzer/snort < 2.6.1.3 >= 2.6.1.3
========== The Snort DCE/RPC preprocessor does not properly reassemble certain types of fragmented SMB and DCE/RPC packets.
Impact ===== A remote attacker could send spe...

Read the Full Advisory

Resolution

References


Availability

Concerns

Severity

Synopsis

Background

Affected Packages

Impact

Workaround

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