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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: "ubuntu-security-announce@lists.ubuntu.com"
 <ubuntu-security-announce@lists.ubuntu.com>
Message-ID: <8c97cf88-d8bf-ac5d-d81a-b10ae67f1e31@canonical.com>
Subject: [USN-4986-1] rpcbind vulnerability

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==========================================================================
Ubuntu Security Notice USN-4986-1
June 09, 2021

rpcbind vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS

Summary:

rpcbind could be made to consume resources and crash if it received
specially crafted network traffic.

Software Description:
- rpcbind: converts RPC program numbers into universal addresses

Details:

It was discovered that rpcbind incorrectly handled certain large data
sizes. A remote attacker could use this issue to cause rpcbind to consume
resources, leading to a denial of service.

Update instructions:

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

Ubuntu 18.04 LTS:
  rpcbind                         0.2.3-0.6ubuntu0.18.04.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-4986-1
  CVE-2017-8779

Package Information:
  https://launchpad.net/ubuntu/+source/rpcbind/0.2.3-0.6ubuntu0.18.04.2


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