CVE-2018-18226 Information

Description

In Wireshark 2.6.0 to 2.6.3 the Steam IHS Discovery dissector could consume system memory. This was addressed in epan/dissectors/packet-steam-ihs-discovery.c by changing the memory-management approach.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html http://www.securityfocus.com/bid/105583 http://www.securitytracker.com/id/1041909 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15171 https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6e920ddc3cad2886ef07ca1a8e50e2a5c50986f7 https://www.debian.org/security/2018/dsa-4359 https://www.wireshark.org/security/wnpa-sec-2018-48.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