Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2017-13764

NULL Pointer Dereference

Published: Aug 30, 2017 | Modified: Apr 20, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
5.9 MODERATE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2017-13764
CWEhttps://cwe.mitre.org/data/definitions/476.html

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.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

Name Vendor Start Version End Version
Wireshark Wireshark 2.4.0 (including) 2.4.0 (including)
Wireshark Ubuntu artful *
Wireshark Ubuntu bionic *
Wireshark Ubuntu esm-apps/bionic *
Wireshark Ubuntu esm-apps/xenial *
Wireshark Ubuntu esm-infra-legacy/trusty *
Wireshark Ubuntu trusty *
Wireshark Ubuntu trusty/esm *
Wireshark Ubuntu xenial *
Wireshark Ubuntu zesty *

Potential Mitigations

References

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