=========================================================================Ubuntu Security Notice USN-4288-1
February 20, 2020

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

- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

ppp could be made to crash or run programs if it received specially crafted
network traffic.

Software Description:
- ppp: Point-to-Point Protocol (PPP)

Details:

It was discovered that ppp incorrectly handled certain rhostname values. A
remote attacker could use this issue to cause ppp to crash, resulting in a
denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 19.10:
  ppp                             2.4.7-2+4.1ubuntu4.1

Ubuntu 18.04 LTS:
  ppp                             2.4.7-2+2ubuntu1.2

Ubuntu 16.04 LTS:
  ppp                             2.4.7-1+2ubuntu1.16.04.2

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-4288-1
  CVE-2020-8597

Package Information:
  https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+4.1ubuntu4.1
  https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+2ubuntu1.2
  https://launchpad.net/ubuntu/+source/ppp/2.4.7-1+2ubuntu1.16.04.2

Ubuntu 4288-1: ppp vulnerability

February 20, 2020
ppp could be made to crash or run programs if it received specially crafted network traffic.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10: ppp 2.4.7-2+4.1ubuntu4.1 Ubuntu 18.04 LTS: ppp 2.4.7-2+2ubuntu1.2 Ubuntu 16.04 LTS: ppp 2.4.7-1+2ubuntu1.16.04.2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4288-1

CVE-2020-8597

Severity
February 20, 2020

Package Information

https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+4.1ubuntu4.1 https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+2ubuntu1.2 https://launchpad.net/ubuntu/+source/ppp/2.4.7-1+2ubuntu1.16.04.2

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