USN-5066-2

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

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2021-21239",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}