USN-2957-1

Pascal Cuoq and Miod Vallat discovered that Libtasn1 incorrectly handled certain malformed DER certificates. A remote attacker could possibly use this issue to cause applications using Libtasn1 to hang, resulting in a denial of service.

References

Affected packages

Ubuntu:14.04:LTS / libtasn1-6

Package

Name: libtasn1-6
Purl: pkg:deb/ubuntu/libtasn1-6@3.4-3ubuntu0.4?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.4-3ubuntu0.4

Affected versions

3.*

3.3-2

3.4-2

3.4-3

3.4-3ubuntu0.1

3.4-3ubuntu0.2

3.4-3ubuntu0.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libtasn1-3-bin",
            "binary_version": "3.4-3ubuntu0.4"
        },
        {
            "binary_name": "libtasn1-3-dev",
            "binary_version": "3.4-3ubuntu0.4"
        },
        {
            "binary_name": "libtasn1-6",
            "binary_version": "3.4-3ubuntu0.4"
        },
        {
            "binary_name": "libtasn1-6-dev",
            "binary_version": "3.4-3ubuntu0.4"
        },
        {
            "binary_name": "libtasn1-bin",
            "binary_version": "3.4-3ubuntu0.4"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2016-4008"
        }
    ]
}