1. Ubuntu Security Notices
  2. USN-1155-1

USN-1155-1: NBD vulnerability

Publication date

21 June 2011

Overview

An attacker could send crafted input to NBD and cause it to crash or to run arbitrary programs.

Releases

Packages

  • nbd - Network Block Device protocol

Details

It was discovered that NBD incorrectly handled certain long requests. A
remote attacker could use this flaw to cause NBD to crash, resulting in
a denial of service, or possibly execute arbitrary code.

It was discovered that NBD incorrectly handled certain long requests. A
remote attacker could use this flaw to cause NBD to crash, resulting in
a denial of service, or possibly execute arbitrary code.

Update instructions

After a standard system update you need to restart NBD to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
8.04 hardy nbd-server –  1:2.9.9-1ubuntu1.1
10.10 maverick nbd-server –  1:2.9.14-2ubuntu1.10.10.1
10.04 lucid nbd-server –  1:2.9.14-2ubuntu1.10.04.1

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References

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