CVE-2017-7704: High severity Wireshark Wireshark vulnerability

Published Apr 12, 2017
·
Updated

In Wireshark 2.2.0 to 2.2.5, the DOF dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dof.c by using a different integer data type and adjusting a return value.

Affected Software

6 affected components
Wireshark Wireshark=2.2.0
Wireshark Wireshark=2.2.1
Wireshark Wireshark=2.2.2
Wireshark Wireshark=2.2.3
Wireshark Wireshark=2.2.4
Wireshark Wireshark=2.2.5

Event History

Apr 12, 2017
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description
Data Sourced
via NVD·11:59 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2017-7704?

CVE-2017-7704 is considered a medium severity vulnerability due to the potential for denial of service through an infinite loop.

2

How do I fix CVE-2017-7704?

To fix CVE-2017-7704, upgrade Wireshark to version 2.2.6 or later, where the vulnerability has been addressed.

3

What versions of Wireshark are affected by CVE-2017-7704?

CVE-2017-7704 affects Wireshark versions 2.2.0 to 2.2.5.

4

What impact can CVE-2017-7704 have on users?

CVE-2017-7704 can lead to a denial of service by causing Wireshark to become unresponsive due to an infinite loop.

5

Is CVE-2017-7704 a remote exploit?

CVE-2017-7704 can be triggered through packet injection or a malformed capture file, making it a potential remote exploit.

Contact

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