Wireshark: Denial of Service -- Remote with User Interaction

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                         AUSCERT Security Bulletin

                               ASB-2018.0242
        Multiple vulnerabilities have been identified in Wireshark
                              12 October 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Wireshark
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Denial of Service -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2018-18227 CVE-2018-18226 CVE-2018-18225
                      CVE-2018-12086  
Member content until: Sunday, November 11 2018

OVERVIEW

        Mutliple vulnerabilities have been identified in Wireshark prior to:
         o Wireshark 2.4.10 and [1]
         o Wireshark 2.6.4 [2]


IMPACT

        The vendor provides the details to the fixed vulnerabilities in 
        following Wireshark vresion: [1-6]
        
        Wireshark 2.4.10 [1]
         o wnpa-sec-2018-47 - MS-WSP dissector crash.[3]
         o wnpa-sec-2018-50 - OpcUA dissector crash. [6]
        
        Wireshark 2.6.4 [2]
         o wnpa-sec-2018-47 - MS-WSP dissector crash. [3]
         o wnpa-sec-2018-48 - Steam IHS Discovery dissector memory leak. [4]
         o wnpa-sec-2018-49 - CoAP dissector crash. [5]
         o wnpa-sec-2018-50 - OpcUA dissector crash. [6]
        
        The details of the vulnerabilities are given by the vendor are as 
        follows:
        
        wnpa-sec-2018-47 - MS-WSP dissector crash. [3]
        "References: CVE-2018-18227
         Impact: It may be possible to make Wireshark crash by injecting a 
         malformed packet onto the wire or by convincing someone to read a 
         malformed packet trace file." [3]
        
        wnpa-sec-2018-48 - Steam IHS Discovery dissector memory leak. [4]
        "References: CVE-2018-18226
         Impact: It may be possible to make Wireshark crash by injecting a 
         malformed packet onto the wire or by convincing someone to read a 
         malformed packet trace file." [4]
        
        wnpa-sec-2018-49 - CoAP dissector crash. [5]
        "References: CVE-2018-18225
         Impact: It may be possible to make Wireshark crash by injecting a 
         malformed packet onto the wire or by convincing someone to read a 
         malformed packet trace file." [5]
        
        wnpa-sec-2018-50 - OpcUA dissector crash. [6]
        "References: CVE-2018-12086
         Impact: It may be possible to make Wireshark crash by injecting a 
         malformed packet onto the wire or by convincing someone to read a 
         malformed packet trace file. [6]


MITIGATION

        The vendor recommends upgrading to the latest version of Wireshark 
        to correct these vulnerabilities. [3 - 6]


REFERENCES

        [1] Wireshark 2.4.10 is now available
            https://www.wireshark.org/lists/wireshark-announce/201810/msg00001.html

        [2] Wireshark 2.6.4 is now available
            https://www.wireshark.org/lists/wireshark-announce/201810/msg00000.html

        [3] wnpa-sec-2018-47. MS-WSP dissector crash. Fixed in 2.6.4, 2.4.10.
            https://www.wireshark.org/security/wnpa-sec-2018-47.html

        [4] wnpa-sec-2018-48. Steam IHS Discovery dissector memory leak. Fixed
            in 2.6.4.
            https://www.wireshark.org/security/wnpa-sec-2018-48.html

        [5] wnpa-sec-2018-49. CoAP dissector crash. Fixed in 2.6.4.
            https://www.wireshark.org/security/wnpa-sec-2018-49.html

        [6] wnpa-sec-2018-50. OpcUa dissector crash. Fixed in 2.6.4, 2.4.10.
            https://www.wireshark.org/security/wnpa-sec-2018-50.html

AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours 
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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