Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Ubuntu 18.04 LTS USN-4986-1 Critical Rpcbind DoS Vulnerability Alert

ubuntu
Calendar Grey June 9, 2021
Dist Ubuntu Esm H88
The rpcbind flaw on Ubuntu poses risks of excessive resource usage and system instability. For further information, refer to advisory USN-4987-1.
rpcbind could be made to consume resources and crash if it received specially crafted network traffic.

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.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu high risk rpcbind

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

Severity
critical
Lowest
Low
Medium
High
Critical

June 09, 2021

Topics%20covered

Topics Covered

security advisory denial of service ubuntu high risk rpcbind

Package Information

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here