What is the severity of CVE-2018-9263?

CVE-2018-9263 has a medium severity rating due to the potential for denial of service via a crash in the Kerberos dissector.

How do I fix CVE-2018-9263?

To fix CVE-2018-9263, upgrade Wireshark to version 2.4.6 or later, or 2.2.14 or later.

What impact does CVE-2018-9263 have on affected software?

CVE-2018-9263 may lead to crashes in the Wireshark application when processing specially crafted Kerberos packets.

Which versions of Wireshark are affected by CVE-2018-9263?

Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 are affected by CVE-2018-9263.

Is CVE-2018-9263 related to any specific operating systems?

Yes, CVE-2018-9263 affects Wireshark installations on Debian 7.0 and 8.0 systems.

Vulnerability/
CVE-2018-9263

high

7.5

4/4/2018

5/8/2024

CVE-2018-9263

First published: Wed Apr 04 2018(Updated: )

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the Kerberos dissector could crash. This was addressed in epan/dissectors/packet-kerberos.c by ensuring a nonzero key length.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Wireshark Wireshark	>=2.2.0<=2.2.13
Wireshark Wireshark	>=2.4.0<=2.4.5
Debian GNU/Linux	=7.0
Debian GNU/Linux	=8.0

Remedy

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=4fe65168fd0de81306710330aa414f10f53cbdf0

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2018-9263?
CVE-2018-9263 has a medium severity rating due to the potential for denial of service via a crash in the Kerberos dissector.
How do I fix CVE-2018-9263?
To fix CVE-2018-9263, upgrade Wireshark to version 2.4.6 or later, or 2.2.14 or later.
What impact does CVE-2018-9263 have on affected software?
CVE-2018-9263 may lead to crashes in the Wireshark application when processing specially crafted Kerberos packets.
Which versions of Wireshark are affected by CVE-2018-9263?
Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 are affected by CVE-2018-9263.
Is CVE-2018-9263 related to any specific operating systems?
Yes, CVE-2018-9263 affects Wireshark installations on Debian 7.0 and 8.0 systems.

agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/remedy
agent/author
agent/severity
agent/references
agent/description
agent/first-publish-date
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/wireshark
canonical/wireshark wireshark
version/wireshark wireshark/2.2.0
version/wireshark wireshark/2.2.13
version/wireshark wireshark/2.4.0
version/wireshark wireshark/2.4.5
vendor/debian
canonical/debian gnu/linux
version/debian gnu/linux/7.0
version/debian gnu/linux/8.0

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Contact

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Frequently Asked Questions

What is the severity of CVE-2018-9263?
CVE-2018-9263 has a medium severity rating due to the potential for denial of service via a crash in the Kerberos dissector.
How do I fix CVE-2018-9263?
To fix CVE-2018-9263, upgrade Wireshark to version 2.4.6 or later, or 2.2.14 or later.
What impact does CVE-2018-9263 have on affected software?
CVE-2018-9263 may lead to crashes in the Wireshark application when processing specially crafted Kerberos packets.
Which versions of Wireshark are affected by CVE-2018-9263?
Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 are affected by CVE-2018-9263.
Is CVE-2018-9263 related to any specific operating systems?
Yes, CVE-2018-9263 affects Wireshark installations on Debian 7.0 and 8.0 systems.