USN-4870-1: Bundler vulnerability

15 March 2021

Bundler could be made to crash or run malicious programs.

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Releases

Packages

  • bundler - Manage Ruby application dependencies

Details

It was discovered that Bundler incorrectly created directories with
insecure permissions in /tmp. An attacker could write malicious libraries
to this location for later execution.

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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 18.04

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

References

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Further reading