USN-6156-1

It was discovered that SSSD incorrrectly sanitized certificate data used in LDAP filters. When using this issue in combination with FreeIPA, a remote attacker could possibly use this issue to escalate privileges.

References

Affected packages

Ubuntu:20.04:LTS / sssd

Package

Name: sssd
Purl: pkg:deb/ubuntu/sssd@2.2.3-3ubuntu0.11?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.2.3-3ubuntu0.11

Affected versions

2.*

2.2.0-4ubuntu1

2.2.2-1

2.2.2-1ubuntu1

2.2.3-1.1ubuntu1

2.2.3-2

2.2.3-3

2.2.3-3ubuntu0.1

2.2.3-3ubuntu0.2

2.2.3-3ubuntu0.3

2.2.3-3ubuntu0.4

2.2.3-3ubuntu0.6

2.2.3-3ubuntu0.7

2.2.3-3ubuntu0.8

2.2.3-3ubuntu0.9

2.2.3-3ubuntu0.10

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libipa-hbac-dev",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libipa-hbac0",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libnss-sss",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libpam-sss",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-certmap-dev",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-certmap0",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-idmap-dev",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-idmap0",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-nss-idmap-dev",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-nss-idmap0",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-simpleifp-dev",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-simpleifp0",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libsss-sudo",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libwbclient-sssd",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "libwbclient-sssd-dev",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "python3-libipa-hbac",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "python3-libsss-nss-idmap",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "python3-sss",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-ad",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-ad-common",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-common",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-dbus",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-ipa",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-kcm",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-krb5",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-krb5-common",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-ldap",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-proxy",
            "binary_version": "2.2.3-3ubuntu0.11"
        },
        {
            "binary_name": "sssd-tools",
            "binary_version": "2.2.3-3ubuntu0.11"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2022-4254",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}