===================================================================== CERT-Renater Note d'Information No. 2011/VULN340 _____________________________________________________________________ DATE : 18/04/2011 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Systems running Wireshark versions prior to 1.4.5, 1.2.16. ====================================================================== http://www.wireshark.org/security/wnpa-sec-2011-06.html ______________________________________________________________________ Summary Name: DECT, NFS, and X.509if vulnerabilities in Wireshark® version 1.4.0 Docid: wnpa-sec-2011-06 Date: April 15, 2011 Versions affected: 1.4.0 Related: wnpa-sec-2011-05 (X.509if vulnerability in Wireshark® version 1.2.0 to 1.2.14 ) Details Description Wireshark 1.4.5 fixes the following vulnerabilities: * The NFS dissector could crash on Windows. (Bug 5209) Versions affected: 1.4.0 to 1.4.4. * The X.509if dissector could crash. (Bug 5754, Bug 5793) Versions affected: 1.2.0 to 1.2.15 and 1.4.0 to 1.4.4. * Paul Makowski from SEI/CERT discovered that the DECT dissector could overflow a buffer. He verified that this could allow remote code execution on many platforms. Versions affected: 1.4.0 to 1.4.4. Impact It may be possible to make Wireshark crash by injecting a series of malformed packets onto the wire or by convincing someone to read a malformed packet trace file. Resolution Upgrade to Wireshark 1.4.5 or later. If are running Wireshark 1.4.4 or earlier (including Ethereal) and cannot upgrade, you can work around the problem listed above by doing the following: * Disable the DECT, NFS (if you're running Windows), and X.509if dissectors: o Select Analyze→Enabled Protocols... from the menu. o Make sure "DECT", "NFS", and "X.509if" are un-checked. o Click "Save", then click "OK". ________________________________________________________________________ Summary Name: X.509if vulnerability in Wireshark® version 1.2.0 to 1.2.15 Docid: wnpa-sec-2011-05 Date: April 14, 2011 Versions affected: 1.2.0 up to and including 1.2.15 Related: wnpa-sec-2011-06 (DECT, NFS, and X.509if vulnerabilities in Wireshark® version 1.4.0 to 1.4.4 ) Details Description Wireshark 1.2.16 fixes the following vulnerability: * The X.509if dissector could crash. (Bug 5754, Bug 5793) Versions affected: 1.2.0 to 1.2.15 and 1.4.0 to 1.4.4. Impact It may be possible to make Wireshark crash by injecting a series of malformed packets onto the wire or by convincing someone to read a malformed packet trace file. Resolution Upgrade to Wireshark 1.2.16 or later. If are running Wireshark 1.2.15 or earlier (including Ethereal) and cannot upgrade, you can work around each of the problems listed above by doing the following: * Disable the X.509if dissector: o Select Analyze→Enabled Protocols... from the menu. o Make sure "X.509if" is un-checked. o Click "Save", then click "OK". ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 23 - 25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================