USN-2892-1

It was discovered that nginx incorrectly handled certain DNS server responses when the resolver is enabled. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service. (CVE-2016-0742)

It was discovered that nginx incorrectly handled CNAME response processing when the resolver is enabled. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-0746)

It was discovered that nginx incorrectly handled CNAME resolution when the resolver is enabled. A remote attacker could possibly use this issue to cause nginx to consume resources, resulting in a denial of service. (CVE-2016-0747)

References

Affected packages

Ubuntu:14.04:LTS / nginx

Package

Name: nginx
Purl: pkg:deb/ubuntu/nginx@1.4.6-1ubuntu3.4?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.4.6-1ubuntu3.4

Affected versions

1.*

1.4.1-3ubuntu1

1.4.3-2ubuntu1

1.4.4-1ubuntu1

1.4.4-2ubuntu1

1.4.4-4ubuntu1

1.4.5-1ubuntu1

1.4.6-1ubuntu2

1.4.6-1ubuntu3

1.4.6-1ubuntu3.1

1.4.6-1ubuntu3.2

1.4.6-1ubuntu3.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-common"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-core"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-extras"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-full"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-light"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-naxsi"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-naxsi-ui"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2016-0742",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2016-0746",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2016-0747",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}