USN-5066-2

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Source
https://ubuntu.com/security/notices/USN-5066-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5066-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5066-2
Upstream
Related
Published
2021-09-08T13:28:00.478694Z
Modified
2025-07-16T08:33:24.487064Z
Summary
python-pysaml2 vulnerability
Details

USN-5066-1 fixed a vulnerability in PySAML2. This update provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Brian Wolff discovered that PySAML2 incorrectly validated cryptographic signatures. A remote attacker could possibly use this issue to alter SAML documents.

References

Affected packages

Ubuntu:Pro:16.04:LTS / python-pysaml2

Package

Name
python-pysaml2
Purl
pkg:deb/ubuntu/python-pysaml2@3.0.0-3ubuntu1.16.04.4+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.0-3ubuntu1.16.04.4+esm1

Affected versions

2.*

2.4.0-0ubuntu2

3.*

3.0.0-3ubuntu1
3.0.0-3ubuntu1.16.04.1
3.0.0-3ubuntu1.16.04.3
3.0.0-3ubuntu1.16.04.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-pysaml2",
            "binary_version": "3.0.0-3ubuntu1.16.04.4+esm1"
        },
        {
            "binary_name": "python-pysaml2-doc",
            "binary_version": "3.0.0-3ubuntu1.16.04.4+esm1"
        },
        {
            "binary_name": "python3-pysaml2",
            "binary_version": "3.0.0-3ubuntu1.16.04.4+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}