1. Ubuntu Security Notices
  2. USN-4288-1

USN-4288-1: ppp vulnerability

Publication date

20 February 2020

Overview

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

Releases

Packages

  • 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.

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

In general, a standard system update will 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
19.10 eoan ppp –  2.4.7-2+4.1ubuntu4.1
18.04 bionic ppp –  2.4.7-2+2ubuntu1.2
16.04 xenial ppp –  2.4.7-1+2ubuntu1.16.04.2

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References

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