USN-3810-1: ppp vulnerability

6 November 2018

ppp could be made to crash or bypass authentication if it received specially crafted network traffic.

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Releases

Packages

  • ppp - Point-to-Point Protocol (PPP)

Details

Ivan Gotovchits discovered that ppp incorrectly handled the EAP-TLS
protocol. A remote attacker could use this issue to cause ppp to crash,
resulting in a denial of service, or possibly bypass authentication.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

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Further reading