USN-6772-1

Jan Schermer discovered that strongSwan incorrectly validated client certificates in certain configurations. A remote attacker could possibly use this issue to bypass access controls.

References

Affected packages

Ubuntu:22.04:LTS / strongswan

Package

Name: strongswan
Purl: pkg:deb/ubuntu/strongswan@5.9.5-2ubuntu2.3?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.9.5-2ubuntu2.3

Affected versions

5.*

5.9.1-1ubuntu3

5.9.1-1ubuntu3.1

5.9.4-1ubuntu1

5.9.4-1ubuntu2

5.9.4-1ubuntu3

5.9.4-1ubuntu4

5.9.5-2ubuntu1

5.9.5-2ubuntu2

5.9.5-2ubuntu2.1

5.9.5-2ubuntu2.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "charon-cmd"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "charon-systemd"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "libcharon-extauth-plugins"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "libcharon-extra-plugins"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "libstrongswan"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "libstrongswan-extra-plugins"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "libstrongswan-standard-plugins"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "strongswan"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "strongswan-charon"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "strongswan-libcharon"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "strongswan-nm"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "strongswan-pki"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "strongswan-scepclient"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "strongswan-starter"
        },
        {
            "binary_version": "5.9.5-2ubuntu2.3",
            "binary_name": "strongswan-swanctl"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6772-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2022-4967"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}