CVE-2011-1925 Null dereference in n/a

Medium 5.0 Published Updated

Remote attackers can crash the Network Block Device server by triggering a NULL pointer dereference during export negotiation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2011-1925?

CVE-2011-1925 is a medium-severity vulnerability in n/a, published on 31 May 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Which versions are affected by CVE-2011-1925?

It affects 1 product.

Products include Wouter Verhelst Nbd.

How do I fix CVE-2011-1925?

Upgrade to a fixed version.

Is CVE-2011-1925 being exploited?

There is no known exploitation of CVE-2011-1925 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2011-1925, GHSA-4c65-9qmh-v9h5.

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