CVE-2017-13764

HIGH

Wireshark 2.4.0 - Denial of Service via Modbus Dissector NULL Pointer Dereference

Title source: llm
STIX 2.1

Description

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100545
Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925
Vendor Advisory x_refsource_confirm
https://www.wireshark.org/security/wnpa-sec-2017-40.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039254

Scores

CVSS v3 7.5
EPSS 0.0040
EPSS Percentile 61.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
wireshark/wireshark 2.4.0
Published Aug 30, 2017
Tracked Since Feb 18, 2026