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Netwosix Linux Advisory: ethereal

Mar 29, 2004, 17:59 (0 Talkback[s])

Netwosix Linux Security Advisory #2004-0007 <http://www.netwosix.org>

Package name: ethereal
Summary: Multiple security problems in Ethereal
Date: 2004-03-29
Affected versions: Netwosix 1.0 Netwosix 1.1

Package description:

Ethereal is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education. It has all of the standard features you would expect in a protocol analyzer, and several features not seen in any other product. Its open source license allows talented experts in the networking community to add enhancements. It runs on all popular computing platforms, including Unix, Linux, and Windows.

Problem description:

Serious issues have been discovered in the following protocol dissectors:

  • Stefan Esser discovered thirteen buffer overflows in the following protocol dissectors: NetFlow, IGAP, EIGRP, PGM, IrDA, BGP, ISUP, and TCAP. (CAN-2004-0176)
  • A zero-length Presentation protocol selector could make Ethereal crash. (CAN-2004-0367)
  • Jonathan Heussser discovered that a carefully-crafted RADIUS packet could cause a crash. (CAN-2004-0365)
  • A corrupt color filter file could cause a segmentation fault.


We recommend that all systems with this package installed be upgraded. Please note that if you do not need the functionality provided by this package, you may want to remove it from your system.


You can download the latest version of this package in NEPOTE format from: <http://download.netwosix.org/0007/nepote>

Nepote Update

(Nepote has been updated with new ports on 21 March 2004. Update your portage tree from http://nepote.netwosix.org, first):

See this instructions to update the port of this package:

        # cd /usr/ports/graphics/ethereal
        # rm nepote
        # wget http://download.netwosix.org/0007/nepote
        # sh nepote (to install the new and updated package)


Specific references for this advisory:

About Linux Netwosix:

Linux Netwosix is a powerful and optimized Linux distribution for servers and Network Security related jobs. It can also be used for special operations such as penetration testing with its big collection of security oriented software and sources. It's a light distribution created for the requirements of every SysAdmin and it's very portable and highly configurable. Our philosophy is to give greater liberty for configuration to the SysAdmin. Only in this way can he/she configure a powerful and stable server machine. Linux Netwosix also has a powerful ports system (Nepote) similar to the xBSD systems but more flexible and usable.


Check out our mailing lists: <http://www.netwosix.org/mailing.html>

The advisory itself is available at

MD5sums of the packages:
a957fd6cf1b02e9290a795f0433175a7 0007/nepote

Vincenzo Ciaglia - Linux Netwosix Security Advisories
<ciaglia@netwosix.org> - <http://www.netwosix.org>