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Ubuntu 19.10: USN-4288-1 Critical: ppp Denial Of Service Risk

ubuntu
Calendar Grey February 20, 2020
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-4287-1 points out a vulnerability in OpenSSH that may permit malicious users to execute arbitrary code.
ppp could be made to crash or run programs if it received specially crafted network traffic.

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.

Topics%20covered

Topics Covered

security advisory denial of service remote code execution ubuntu network attack ppp

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
critical
Lowest
Low
Medium
High
Critical

February 20, 2020

Topics%20covered

Topics Covered

security advisory denial of service remote code execution ubuntu network attack ppp

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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