Ubuntu 4245-1: PySAML2 vulnerability

Advisories

==========================================================================
Ubuntu Security Notice USN-4245-1
January 21, 2020

python-pysaml2 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

PySAML2 could be made to bypass signature verification with arbitrary data.

Software Description:
- python-pysaml2: Pure python implementation of SAML2

Details:

It was discovered that PySAML2 incorrectly handled certain SAML files.
An attacker could possibly use this issue to bypass signature verification
with arbitrary data.

Update instructions:

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

Ubuntu 19.10:
  python-pysaml2                  4.5.0+dfsg1-0ubuntu2.19.10.1
  python3-pysaml2                 4.5.0+dfsg1-0ubuntu2.19.10.1

Ubuntu 19.04:
  python-pysaml2                  4.5.0+dfsg1-0ubuntu2.19.04.1
  python3-pysaml2                 4.5.0+dfsg1-0ubuntu2.19.04.1

Ubuntu 18.04 LTS:
  python-pysaml2                  4.0.2-0ubuntu3.1
  python3-pysaml2                 4.0.2-0ubuntu3.1

Ubuntu 16.04 LTS:
  python-pysaml2                  3.0.0-3ubuntu1.16.04.4
  python3-pysaml2                 3.0.0-3ubuntu1.16.04.4

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

References:
  https://usn.ubuntu.com/4245-1
  CVE-2020-5390

Package Information:
  https://launchpad.net/ubuntu/+source/python-pysaml2/4.5.0+dfsg1-0ubuntu2.19.10.1
  https://launchpad.net/ubuntu/+source/python-pysaml2/4.5.0+dfsg1-0ubuntu2.19.04.1
  https://launchpad.net/ubuntu/+source/python-pysaml2/4.0.2-0ubuntu3.1
  https://launchpad.net/ubuntu/+source/python-pysaml2/3.0.0-3ubuntu1.16.04.4

Ubuntu 4245-1: PySAML2 vulnerability

January 21, 2020

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: PySAML2 could be made to bypass signature verification with arbitrary data. Software Description: - python-pysaml2: Pure python implementation of SAML2 Details: It was discovered that PySAML2 incorrectly handled certain SAML files. An attacker could possibly use this issue to bypass signature verification with arbitrary data.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10: python-pysaml2 4.5.0+dfsg1-0ubuntu2.19.10.1 python3-pysaml2 4.5.0+dfsg1-0ubuntu2.19.10.1 Ubuntu 19.04: python-pysaml2 4.5.0+dfsg1-0ubuntu2.19.04.1 python3-pysaml2 4.5.0+dfsg1-0ubuntu2.19.04.1 Ubuntu 18.04 LTS: python-pysaml2 4.0.2-0ubuntu3.1 python3-pysaml2 4.0.2-0ubuntu3.1 Ubuntu 16.04 LTS: python-pysaml2 3.0.0-3ubuntu1.16.04.4 python3-pysaml2 3.0.0-3ubuntu1.16.04.4 In general, a standard system update will make all the necessary changes.

References

https://usn.ubuntu.com/4245-1

CVE-2020-5390

Severity
Ubuntu Security Notice USN-4245-1

Package Information

https://launchpad.net/ubuntu/+source/python-pysaml2/4.5.0+dfsg1-0ubuntu2.19.10.1 https://launchpad.net/ubuntu/+source/python-pysaml2/4.5.0+dfsg1-0ubuntu2.19.04.1 https://launchpad.net/ubuntu/+source/python-pysaml2/4.0.2-0ubuntu3.1 https://launchpad.net/ubuntu/+source/python-pysaml2/3.0.0-3ubuntu1.16.04.4

We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.