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

{
    "availability": "No subscription required",
    "binaries": [
        {
            "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",
            "binary_version": "1.1.8-1ubuntu2.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2013-7041",
            "severity": [
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2014-2583",
            "severity": [
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2015-3238",
            "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"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}