CVE-2014-9403 Null dereference in n/a

Medium 4.0 Published Updated

Authenticated users can crash the ZNC IRC bouncer by adding a channel name without a leading hash, causing a null pointer dereference.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2014-9403?

CVE-2014-9403 is a medium-severity vulnerability in n/a, published on 19 Dec 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2014-9403?

It affects 1 product.

Products include Znc Znc.

How do I fix CVE-2014-9403?

Upgrade to a fixed version.

Is CVE-2014-9403 being exploited?

There is no known exploitation of CVE-2014-9403 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2014-9403, GHSA-7cjq-452g-rg6q, MGASA-2014-0543, UBUNTU-CVE-2014-9403.

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