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Gentoo Linux Security Advisory                           GLSA 200512-06
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                                            https://security.gentoo.org/
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  Severity: High
     Title: Ethereal: Buffer overflow in OSPF protocol dissector
      Date: December 14, 2005
      Bugs: #115030
        ID: 200512-06

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Synopsis
=======
Ethereal is missing bounds checking in the OSPF protocol dissector that
could lead to abnormal program termination or the execution of
arbitrary code.

Background
=========
Ethereal is a feature-rich network protocol analyzer. It provides
protocol analyzers for various network flows, including one for Open
Shortest Path First (OSPF) Interior Gateway Protocol.

Affected packages
================
    -------------------------------------------------------------------
     Package                /   Vulnerable   /              Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/ethereal     < 0.10.13-r2              >= 0.10.13-r2

Description
==========
iDEFENSE reported a possible overflow due to the lack of bounds
checking in the dissect_ospf_v3_address_prefix() function, part of the
OSPF protocol dissector.

Impact
=====
An attacker might be able to craft a malicious network flow that would
crash Ethereal. It may be possible, though unlikely, to exploit this
flaw to execute arbitrary code with the permissions of the user running
Ethereal, which could be the root user.

Workaround
=========
There is no known workaround at this time.

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

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-analyzer/ethereal-0.10.13-r2"

References
=========
  [ 1 ] CVE-2005-3651
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3651
  [ 2 ] iDEFENSE Advisory

;type=vulnerabilities

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

  https://security.gentoo.org/glsa/200512-06

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 2005 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/2.0/

Gentoo: GLSA-200512-06: Ethereal: Buffer overflow in OSPF protocol dissector

Ethereal is missing bounds checking in the OSPF protocol dissector that could lead to abnormal program termination or the execution of arbitrary code

Summary

Gentoo Linux Security Advisory GLSA 200512-06 https://security.gentoo.org/ Severity: High Title: Ethereal: Buffer overflow in OSPF protocol dissector Date: December 14, 2005 Bugs: #115030 ID: 200512-06

Synopsis ======= Ethereal is missing bounds checking in the OSPF protocol dissector that could lead to abnormal program termination or the execution of arbitrary code.
Background ========= Ethereal is a feature-rich network protocol analyzer. It provides protocol analyzers for various network flows, including one for Open Shortest Path First (OSPF) Interior Gateway Protocol.
Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-analyzer/ethereal < 0.10.13-r2 >= 0.10...

Read the Full Advisory

Resolution

References


Availability

Concerns

Severity

Synopsis

Background

Affected Packages

Impact

Workaround

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