What is the severity of CVE-2018-11356?

CVE-2018-11356 has a moderate severity rating due to the potential for denial of service through application crashes.

How do I fix CVE-2018-11356?

To fix CVE-2018-11356, upgrade to Wireshark version 2.6.1 or later, or to version 2.4.7 or later, or 2.2.15 or later.

Which versions of Wireshark are affected by CVE-2018-11356?

CVE-2018-11356 affects Wireshark versions 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14.

What does CVE-2018-11356 exploit within Wireshark?

CVE-2018-11356 exploits a NULL pointer dereference in the DNS dissector when handling empty names in SRV records.

Can CVE-2018-11356 affect Debian users?

Yes, CVE-2018-11356 can affect Debian users running the vulnerable versions of Wireshark on Debian GNU/Linux 8.0.

Vulnerability/
CVE-2018-11356

high

7.5

CWE

476

22/5/2018

5/8/2024

CVE-2018-11356: Null Pointer Dereference

First published: Tue May 22 2018(Updated: )

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Wireshark Wireshark	>=2.2.0<=2.2.14
Wireshark Wireshark	>=2.4.0<=2.4.6
Wireshark Wireshark	=2.6.0
Debian GNU/Linux	=8.0

Remedy

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=4425716ddba99374749bd033d9bc0f4add2fb973

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2018-11356?
CVE-2018-11356 has a moderate severity rating due to the potential for denial of service through application crashes.
How do I fix CVE-2018-11356?
To fix CVE-2018-11356, upgrade to Wireshark version 2.6.1 or later, or to version 2.4.7 or later, or 2.2.15 or later.
Which versions of Wireshark are affected by CVE-2018-11356?
CVE-2018-11356 affects Wireshark versions 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14.
What does CVE-2018-11356 exploit within Wireshark?
CVE-2018-11356 exploits a NULL pointer dereference in the DNS dissector when handling empty names in SRV records.
Can CVE-2018-11356 affect Debian users?
Yes, CVE-2018-11356 can affect Debian users running the vulnerable versions of Wireshark on Debian GNU/Linux 8.0.

agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/author
agent/last-modified-date
agent/remedy
agent/references
agent/event
agent/description
agent/first-publish-date
agent/source
agent/weakness
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/2.2.14
version/wireshark wireshark/2.4.0
version/wireshark wireshark/2.4.6
version/wireshark wireshark/2.6.0
vendor/debian
canonical/debian gnu/linux
version/debian gnu/linux/8.0

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Contact

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Frequently Asked Questions

What is the severity of CVE-2018-11356?
CVE-2018-11356 has a moderate severity rating due to the potential for denial of service through application crashes.
How do I fix CVE-2018-11356?
To fix CVE-2018-11356, upgrade to Wireshark version 2.6.1 or later, or to version 2.4.7 or later, or 2.2.15 or later.
Which versions of Wireshark are affected by CVE-2018-11356?
CVE-2018-11356 affects Wireshark versions 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14.
What does CVE-2018-11356 exploit within Wireshark?
CVE-2018-11356 exploits a NULL pointer dereference in the DNS dissector when handling empty names in SRV records.
Can CVE-2018-11356 affect Debian users?
Yes, CVE-2018-11356 can affect Debian users running the vulnerable versions of Wireshark on Debian GNU/Linux 8.0.