Ubuntu Security Update USN-4288-1: ppp vulnerability

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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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References


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