USN-2935-1

It was discovered that the PAM pam_userdb module incorrectly used a case-insensitive method when comparing hashed passwords. A local attacker could possibly use this issue to make brute force attacks easier. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2013-7041)

Sebastian Krahmer discovered that the PAM pam_timestamp module incorrectly performed filtering. A local attacker could use this issue to create arbitrary files, or possibly bypass authentication. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-2583)

Sebastien Macke discovered that the PAM pam_unix module incorrectly handled large passwords. A local attacker could possibly use this issue in certain environments to enumerate usernames or cause a denial of service. (CVE-2015-3238)

References

Affected packages

Ubuntu:14.04:LTS / pam

Package

Name: pam
Purl: pkg:deb/ubuntu/pam@1.1.8-1ubuntu2.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.1.8-1ubuntu2.1

Affected versions

1.*

1.1.3-8ubuntu3

1.1.3-10ubuntu1

1.1.3-11ubuntu1

1.1.8-1ubuntu1

1.1.8-1ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.1.8-1ubuntu2.1",
            "binary_name": "libpam-cracklib"
        },
        {
            "binary_version": "1.1.8-1ubuntu2.1",
            "binary_name": "libpam-modules"
        },
        {
            "binary_version": "1.1.8-1ubuntu2.1",
            "binary_name": "libpam-modules-bin"
        },
        {
            "binary_version": "1.1.8-1ubuntu2.1",
            "binary_name": "libpam-runtime"
        },
        {
            "binary_version": "1.1.8-1ubuntu2.1",
            "binary_name": "libpam0g"
        },
        {
            "binary_version": "1.1.8-1ubuntu2.1",
            "binary_name": "libpam0g-dev"
        }
    ],
    "availability": "No subscription required"
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2013-7041"
            },
            {
                "severity": [
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2014-2583"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2015-3238"
            }
        ],
        "ecosystem": "Ubuntu:14.04:LTS"
    }
}