CVE-2011-0530 Memory corruption in n/a

High 7.5 Published 22 Feb 2011 Updated 6 Aug 2024

Remote attackers can execute arbitrary code via a buffer overflow in the Network Block Device server's mainloop function.

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

What is CVE-2011-0530?

CVE-2011-0530 is a high-severity memory corruption vulnerability in n/a, published on 22 Feb 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

Weakness: CWE-119

Which versions are affected by CVE-2011-0530?

It affects 1 product.

Products include Wouter Verhelst Nbd.

How do I fix CVE-2011-0530?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-0530 being exploited?

There is no known exploitation of CVE-2011-0530 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2011-0530, DSA-2183-1, GHSA-8p8p-8qmp-rfr2.