CVE-2017-9343: Null Pointer Dereference

Published Jun 2, 2017
·
Updated

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.

Affected Software

22 affected componentsFixes available
Wireshark Wireshark>=2.0.0<=2.0.12
Wireshark Wireshark>=2.2.0<=2.2.6
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0
alpine/wireshark>=2.0.0<2.2.7-r0
2.2.7-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade alpine/wireshark to a version that resolves this vulnerability.

    Fixed in 2.2.7-r0

Event History

Jun 2, 2017
CVE Published
via MITRE·05:04 AM
Data Sourced
via MITRE·05:04 AM
Description
Data Sourced
via NVD·05:29 AM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·05:29 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2017-9343?

CVE-2017-9343 has been classified as a moderate severity vulnerability.

2

How do I fix CVE-2017-9343?

To fix CVE-2017-9343, update Wireshark to version 2.2.7 or later, or 2.0.13 or later.

3

What versions of Wireshark are affected by CVE-2017-9343?

CVE-2017-9343 affects Wireshark versions 2.0.0 to 2.0.12 and 2.2.0 to 2.2.6.

4

What type of vulnerability is CVE-2017-9343?

CVE-2017-9343 is a null pointer dereference vulnerability found in the MSNIP dissector.

5

Is there any exploit associated with CVE-2017-9343?

There are no public exploits specifically associated with CVE-2017-9343 as of now.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203