CVE-2017-17997 Information

Description

In Wireshark before 2.2.12 the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

CVSS Vector

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

Reference

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299 https://code.wireshark.org/review//c/25063/ https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=80a695869c9aef2fb473d9361da068022be7cb50 https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html https://www.wireshark.org/security/wnpa-sec-2018-02.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