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OpenLinux: Multiple vulnerabilities have reported in Ethereal 0.9.12
From: security () sco com
Date: Fri, 7 Nov 2003 16:25:23 -0800


To: announce () lists caldera com bugtraq () securityfocus com full-disclosure () lists netsys com security-alerts () 
linuxsecurity com

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______________________________________________________________________________

                        SCO Security Advisory

Subject:                OpenLinux: Multiple vulnerabilities have reported in Ethereal 0.9.12
Advisory number:        CSSA-2003-030.0
Issue date:             2003 November 07
Cross reference:        sr883585 fz528203 erg712398 CAN-2003-0428 CAN-2003-0429 CAN-2003-0430 CAN-2003-0431 
CAN-2003-0432
______________________________________________________________________________


1. Problem Description

        Multiple vulnerabilities have reported in Ethereal 0.9.12. 
        
        Ethereal is a freely available network protocol analyzer for 
        Microsoft Windows and multiple Unix-based operating systems. 
        
        Ethereal versions 0.9.12 and earlier are vulnerable to multiple 
        issues. The Vulnerabilities are: 
        
        1. The DCERPC dissector could try to allocate too much memory 
        while trying to decode an NDR string. The Common Vulnerabilities 
        and Exposures project (cve.mitre.org) has assigned the following 
        name CAN-2003-0428 to this issue. 
        
        2. Bad IPv4 or IPv6 prefix lengths could cause an overflow in the 
        OSI dissector. The Common Vulnerabilities and Exposures project 
        (cve.mitre.org) has assigned the following name CAN-2003-0429 to 
        this issue. 
        
        3. The SPNEGO dissector could segfault while parsing an invalid 
        ASN.1 value. The Common Vulnerabilities and Exposures project 
        (cve.mitre.org) has assigned the following name CAN-2003-0430 
        to this issue. 
        
        4. The tvb_get_nstringz0() routine incorrectly handled a zero-
        length buffer size. The Common Vulnerabilities and Exposures 
        project (cve.mitre.org) has assigned the following name 
        CAN-2003-0431 to this issue. 
        
        5. The BGP, WTP, DNS, 802.11, ISAKMP, WSP, CLNP, ISIS, and RMI 
        dissectors handled strings improperly. The Common Vulnerabilities 
        and Exposures project (cve.mitre.org) has assigned the following 
        name CAN-2003-0432 to this issue. 
        
        POTENTIAL IMPACT 
        It may be possible to make Ethereal crash or run arbitrary code
        by injecting a purposefully malformed packet onto the wire,
        or by convincing someone to read a malformed packet trace file.

2. Vulnerable Supported Versions

        System                          Package
        -------------------------------------------------------------------
        OpenLinux 3.1.1 Server          prior to ethereal-0.9.13-1.i386.rpm
        OpenLinux 3.1.1 Workstation     prior to ethereal-0.9.13-1.i386.rpm

3. Solution

        The proper solution is to install the latest packages. Many
        customers find it easier to use the Caldera System Updater, called
        cupdate (or kcupdate under the KDE environment), to update these
        packages rather than downloading and installing them by hand.

4. OpenLinux 3.1.1 Server

        4.1 Package Location

        ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2003-030.0/RPMS

        4.2 Packages

        9c5039a96d35a4bb91cddfa40adb7e2c        ethereal-0.9.13-1.i386.rpm

        4.3 Installation

        rpm -Fvh ethereal-0.9.13-1.i386.rpm

        4.4 Source Package Location

        ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2003-030.0/SRPMS

        4.5 Source Packages

        991395b4b4bcf0375e7dfe6a09108faf        ethereal-0.9.13-1.src.rpm


5. OpenLinux 3.1.1 Workstation

        5.1 Package Location

        ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2003-030.0/RPMS

        5.2 Packages

        9d87667d906a624fc6e05434187941c1        ethereal-0.9.13-1.i386.rpm

        5.3 Installation

        rpm -Fvh ethereal-0.9.13-1.i386.rpm

        5.4 Source Package Location

        ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2003-030.0/SRPMS

        5.5 Source Packages

        391d94b691aee0b3194583675c400cd7        ethereal-0.9.13-1.src.rpm


6. References

        Specific references for this advisory:
                http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0428 
                http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0429
                http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0430
                http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0431
                http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0432

        SCO security resources:
                http://www.sco.com/support/security/index.html

        This security fix closes SCO incidents sr883585 fz528203
        erg712398.


7. Disclaimer

        SCO is not responsible for the misuse of any of the information
        we provide on this website and/or through our security
        advisories. Our advisories are a service to our customers intended
        to promote secure installation and use of SCO products.

______________________________________________________________________________

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