USN-4400-1: nfs-utils vulnerability

22 June 2020

nfs-utils could be made to overwrite files as the administrator.

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Releases

Packages

Details

It was discovered that the nfs-utils package set incorrect permissions on
the /var/lib/nfs directory. An attacker could possibly use this issue to
escalate privileges.

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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 20.04
Ubuntu 19.10
Ubuntu 18.04
Ubuntu 16.04

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

References

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Further reading