CVE-2017-7704 Information

Description

In Wireshark 2.2.0 to 2.2.5 the DOF dissector could go into an infinite loop triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dof.c by using a different integer data type and adjusting a return value.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/97634 http://www.securitytracker.com/id/1038262 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13453 https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6032b0fe5fc1176ab77e03e20765f95fbd21b19e https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=da53a90b6895e47e03c5de05edf84bd99d535fd8 https://security.gentoo.org/glsa/201706-12 https://www.wireshark.org/security/wnpa-sec-2017-17.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5