USN-2916-1

It was discovered that Perl incorrectly handled certain regular expressions with an invalid backreference. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2013-7422)

Markus Vervier discovered that Perl incorrectly handled nesting in the Data::Dumper module. An attacker could use this issue to cause Perl to consume memory and crash, resulting in a denial of service. (CVE-2014-4330)

Stephane Chazelas discovered that Perl incorrectly handled duplicate environment variables. An attacker could possibly use this issue to bypass the taint protection mechanism. (CVE-2016-2381)

References

Affected packages

Ubuntu:14.04:LTS / perl

Package

Name: perl
Purl: pkg:deb/ubuntu/perl@5.18.2-2ubuntu1.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.18.2-2ubuntu1.1

Affected versions

5.*

5.14.2-21build1

5.18.1-4

5.18.1-4build1

5.18.1-5

5.18.2-2

5.18.2-2ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "5.18.2-2ubuntu1.1",
            "binary_name": "libcgi-fast-perl"
        },
        {
            "binary_version": "5.18.2-2ubuntu1.1",
            "binary_name": "libperl-dev"
        },
        {
            "binary_version": "5.18.2-2ubuntu1.1",
            "binary_name": "libperl5.18"
        },
        {
            "binary_version": "5.18.2-2ubuntu1.1",
            "binary_name": "perl"
        },
        {
            "binary_version": "5.18.2-2ubuntu1.1",
            "binary_name": "perl-base"
        },
        {
            "binary_version": "5.18.2-2ubuntu1.1",
            "binary_name": "perl-debug"
        },
        {
            "binary_version": "5.18.2-2ubuntu1.1",
            "binary_name": "perl-modules"
        }
    ]
}

Database specific

{
    "cves_map": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "cves": [
            {
                "id": "CVE-2013-7422",
                "severity": [
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ]
            },
            {
                "id": "CVE-2014-4330",
                "severity": [
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ]
            },
            {
                "id": "CVE-2016-2381",
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ]
            }
        ]
    }
}