What is the severity of CVE-2014-9403?

CVE-2014-9403 has a medium severity level due to its potential to cause denial of service.

How do I fix CVE-2014-9403?

To fix CVE-2014-9403, upgrade ZNC to version 1.4 or later.

Who is affected by CVE-2014-9403?

CVE-2014-9403 affects remote authenticated users of ZNC versions prior to 1.4.

What type of vulnerability is CVE-2014-9403?

CVE-2014-9403 is a denial of service vulnerability caused by a NULL pointer dereference.

What should I do if I cannot upgrade to fix CVE-2014-9403?

If you cannot upgrade, avoid allowing remote authenticated users to add channels without the leading # character.

Vulnerability/
CVE-2014-9403

medium

CWE

476

19/12/2014

6/8/2024

CVE-2014-9403: Null Pointer Dereference

First published: Fri Dec 19 2014(Updated: )

The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a "use-after-delete" error.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
ZNC	<=1.2

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2014-9403?
CVE-2014-9403 has a medium severity level due to its potential to cause denial of service.
How do I fix CVE-2014-9403?
To fix CVE-2014-9403, upgrade ZNC to version 1.4 or later.
Who is affected by CVE-2014-9403?
CVE-2014-9403 affects remote authenticated users of ZNC versions prior to 1.4.
What type of vulnerability is CVE-2014-9403?
CVE-2014-9403 is a denial of service vulnerability caused by a NULL pointer dereference.
What should I do if I cannot upgrade to fix CVE-2014-9403?
If you cannot upgrade, avoid allowing remote authenticated users to add channels without the leading # character.

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agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/references
agent/weakness
agent/author
agent/severity
agent/event
agent/description
agent/first-publish-date
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/znc
canonical/znc
version/znc/1.2

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Frequently Asked Questions

What is the severity of CVE-2014-9403?
CVE-2014-9403 has a medium severity level due to its potential to cause denial of service.
How do I fix CVE-2014-9403?
To fix CVE-2014-9403, upgrade ZNC to version 1.4 or later.
Who is affected by CVE-2014-9403?
CVE-2014-9403 affects remote authenticated users of ZNC versions prior to 1.4.
What type of vulnerability is CVE-2014-9403?
CVE-2014-9403 is a denial of service vulnerability caused by a NULL pointer dereference.
What should I do if I cannot upgrade to fix CVE-2014-9403?
If you cannot upgrade, avoid allowing remote authenticated users to add channels without the leading # character.