CVE-2013-6340: Input Validation

Published Nov 4, 2013
·
Updated

epan/dissectors/packet-tcp.c in the TCP dissector in Wireshark 1.8.x before 1.8.11 and 1.10.x before 1.10.3 does not properly determine the amount of remaining data, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Affected Software

14 affected components
Wireshark Wireshark=1.8.0
Wireshark Wireshark=1.8.1
Wireshark Wireshark=1.8.2
Wireshark Wireshark=1.8.3
Wireshark Wireshark=1.8.4
Wireshark Wireshark=1.8.5
Wireshark Wireshark=1.8.6
Wireshark Wireshark=1.8.7
Wireshark Wireshark=1.8.8
Wireshark Wireshark=1.8.9
Wireshark Wireshark=1.8.10
Wireshark Wireshark=1.10.0
Wireshark Wireshark=1.10.1
Wireshark Wireshark=1.10.2

Event History

Nov 4, 2013
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
Data Sourced
via NVD·04:55 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2013-6340?

CVE-2013-6340 is considered to have a high severity due to its potential to cause a denial of service condition.

2

How do I fix CVE-2013-6340?

To fix CVE-2013-6340, update Wireshark to version 1.8.11 or 1.10.3 or later.

3

Which versions of Wireshark are affected by CVE-2013-6340?

CVE-2013-6340 affects Wireshark versions 1.8.0 to 1.8.10 and 1.10.0 to 1.10.2.

4

What is the impact of CVE-2013-6340 on users?

CVE-2013-6340 allows remote attackers to crash the application, disrupting analysis and monitoring tasks.

5

Can CVE-2013-6340 be exploited remotely?

Yes, CVE-2013-6340 can be exploited remotely via a specially crafted packet.

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