CVE Vulnerabilities

CVE-2017-9343

NULL Pointer Dereference

Published: Jun 02, 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

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the MSNIP dissector misuses a NULL pointer. This was addressed in epan/dissectors/packet-msnip.c by validating an IPv4 address.

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 2.0.0 (including) 2.0.12 (including)
Wireshark Wireshark 2.2.0 (including) 2.2.6 (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 yakkety *
Wireshark Ubuntu zesty *

Potential Mitigations

References