CVE-2017-5597 Information

Description

In Wireshark 2.2.0 to 2.2.3 and 2.0.0 to 2.0.9 the DHCPv6 dissector could go into a large loop triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dhcpv6.c by changing a data type to avoid an integer overflow.

CVSS Vector

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

Reference

http://www.debian.org/security/2017/dsa-3811 http://www.securityfocus.com/bid/95798 http://www.securitytracker.com/id/1037694 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13345 https://code.wireshark.org/review//c/19747/ https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=57894f741f7cc98b46c9fdce7eee8256d2a4ae3f https://www.wireshark.org/security/wnpa-sec-2017-02.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