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USN-5983-1: Nette vulnerability

29 March 2023

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

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Releases

Packages

Details

Cyku Hong discovered that Nette was not properly handling and validating
data used for code generation. A remote attacker could possibly use this
issue to execute arbitrary code.

Reduce your security exposure

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

After a standard system update you need to restart any applications using
Nette to make all the necessary changes.

References

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Further reading