USN-7443-1: Erlang vulnerability

17 April 2025

Erlang could be made to run programs if it received specially crafted network traffic.

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Releases

Packages

  • erlang - Concurrent, real-time, distributed functional language

Details

Fabian Bäumer, Marcel Maehren, Marcus Brinkmann, and Jörg Schwenk
discovered that Erlang OTP’s SSH module incorrect handled authentication. A
remote attacker could use this issue to execute arbitrary commands without
authentication, possibly leading to a system compromise.

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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.

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Update instructions

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

Ubuntu 24.10
Ubuntu 24.04
Ubuntu 22.04
Ubuntu 20.04

After a standard system update you need to reboot your computer to make all
the necessary changes.

References

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Further reading