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USN-3520-1: PySAML2 vulnerability

8 January 2018

PySAML2 could allow authentication without a password.

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Releases

Packages

Details

It was discovered that PySAML2 incorrectly accepted any password when run
with python optimizations enabled. An attacker could use this issue to
authenticate as any user without a valid password.

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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 17.10
Ubuntu 17.04
Ubuntu 16.04

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

References

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Further reading