In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is an LDSS dissector crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-ldss.c by ensuring that memory is allocated for a certain data structure.

References

• https://nvd.nist.gov/vuln/detail/CVE-2017-6469
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13346
• https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=4f753c127082d5e28abf482d6d175cbfee6661f7
• https://www.wireshark.org/security/wnpa-sec-2017-03.html
• http://www.debian.org/security/2017/dsa-3811
• http://www.securityfocus.com/bid/96577