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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2007.0074 -- [Win][UNIX/Linux] Multiple problems in Wireshark (formerly Ethereal(R)) versions 0.10.14 to 0.99.4 5 February 2007 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Wireshark between 0.10.14 and 0.99.4 Publisher: Wireshark Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact: Denial of Service Access: Remote/Unauthenticated CVE Names: CVE-2007-0459 CVE-2007-0458 CVE-2007-0457 CVE-2007-0456 Original Bulletin: http://www.wireshark.org/security/wnpa-sec-2007-01.html - --------------------------BEGIN INCLUDED TEXT-------------------- Name: Multiple problems in Wireshark (formerly Ethereal®) versions 0.10.14 to 0.99.4 Docid: wnpa-sec-2007-01 Date: February 1, 2007 Versions affected: 0.10.14 up to and including 0.99.4 Description Wireshark 0.99.5 fixes the following vulnerabilities: * The TCP dissector could hang or crash while reassembling HTTP packets. (Bug 1200) Versions affected: 0.99.2 to 0.99.4 CVE-2007-0459 * The HTTP dissector could crash. Versions affected: 0.99.3 to 0.99.4 CVE-2007-0458 * On some systems, the IEEE 802.11 dissector could crash. Versions affected: 0.10.14 to 0.99.4 CVE-2007-0457 * On some systems, the LLT dissector could crash. Versions affected: 0.99.3 to 0.99.4 CVE-2007-0456 Impact It may be possible to make Wireshark or Ethereal crash or use up available memory by injecting a purposefully malformed packet onto the wire or by convincing someone to read a malformed packet trace file. Resolution Upgrade to Wireshark 0.99.5. If are running Wireshark 0.99.4 or Ethereal 0.99.0 or earlier and cannot upgrade, you can work around each of the problems listed above by doing the following: * Disable the HTTP, IEEE 802.11, and LLT dissectors. o Select Analyze?Enabled Protocols... from the menu. o Make sure "HTTP", "IEEE 802.11", and "LLT" are un-checked. o Click "Save", then click "OK". - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== 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. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBRcZ6cSh9+71yA2DNAQK6mgP8DKm/HFEhih078QMYWaqMKX0c4Mypt+lS dnK871YiJVB8eal25eNlLlzGXD5XLD8iSE29eeO4Uj2fOf1wSPCGhxFM1M7AHOZb 6ybsTCxQHSZaQXTeUvmTOCJO5BEFn8Gj330XRVbuBRiiyRNmEKALDKqKj/yhI1/7 IMSgSf0BoV4= =sbbu -----END PGP SIGNATURE-----