USN-4446-1

Jeriko One discovered that Squid incorrectly handled caching certain requests. A remote attacker could possibly use this issue to perform cache-injection attacks or gain access to reverse proxy features such as ESI. (CVE-2019-12520)

Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly handled certain URN requests. A remote attacker could possibly use this issue to bypass access checks. (CVE-2019-12523)

Jeriko One discovered that Squid incorrectly handled URL decoding. A remote attacker could possibly use this issue to bypass certain rule checks. (CVE-2019-12524)

Jeriko One and Kristoffer Danielsson discovered that Squid incorrectly handled input validation. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2019-18676)

References

Affected packages

Ubuntu:16.04:LTS / squid3

Package

Name: squid3
Purl: pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.12?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.5.12-1ubuntu7.12

Affected versions

3.*

3.3.8-1ubuntu16

3.3.8-1ubuntu17

3.5.12-1ubuntu6

3.5.12-1ubuntu7

3.5.12-1ubuntu7.1

3.5.12-1ubuntu7.2

3.5.12-1ubuntu7.3

3.5.12-1ubuntu7.4

3.5.12-1ubuntu7.5

3.5.12-1ubuntu7.6

3.5.12-1ubuntu7.7

3.5.12-1ubuntu7.8

3.5.12-1ubuntu7.9

3.5.12-1ubuntu7.10

3.5.12-1ubuntu7.11

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.5.12-1ubuntu7.12",
            "binary_name": "squid"
        },
        {
            "binary_version": "3.5.12-1ubuntu7.12",
            "binary_name": "squid-cgi"
        },
        {
            "binary_version": "3.5.12-1ubuntu7.12",
            "binary_name": "squid-common"
        },
        {
            "binary_version": "3.5.12-1ubuntu7.12",
            "binary_name": "squid-purge"
        },
        {
            "binary_version": "3.5.12-1ubuntu7.12",
            "binary_name": "squid3"
        },
        {
            "binary_version": "3.5.12-1ubuntu7.12",
            "binary_name": "squidclient"
        }
    ],
    "availability": "No subscription required"
}

Database specific

{
    "cves_map": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "cves": [
            {
                "id": "CVE-2019-12523",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2019-18676",
                "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": "Ubuntu",
                        "score": "medium"
                    }
                ]
            }
        ]
    }
}

Ubuntu:18.04:LTS / squid3

Package

Name: squid3
Purl: pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.7?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.5.27-1ubuntu1.7

Affected versions

3.*

3.5.23-5ubuntu1

3.5.23-5ubuntu2

3.5.27-1ubuntu1

3.5.27-1ubuntu1.1

3.5.27-1ubuntu1.2

3.5.27-1ubuntu1.3

3.5.27-1ubuntu1.4

3.5.27-1ubuntu1.5

3.5.27-1ubuntu1.6

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.5.27-1ubuntu1.7",
            "binary_name": "squid"
        },
        {
            "binary_version": "3.5.27-1ubuntu1.7",
            "binary_name": "squid-cgi"
        },
        {
            "binary_version": "3.5.27-1ubuntu1.7",
            "binary_name": "squid-common"
        },
        {
            "binary_version": "3.5.27-1ubuntu1.7",
            "binary_name": "squid-purge"
        },
        {
            "binary_version": "3.5.27-1ubuntu1.7",
            "binary_name": "squid3"
        },
        {
            "binary_version": "3.5.27-1ubuntu1.7",
            "binary_name": "squidclient"
        }
    ],
    "availability": "No subscription required"
}

Database specific

{
    "cves_map": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "cves": [
            {
                "id": "CVE-2019-12520",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2019-12523",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2019-12524",
                "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": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2019-18676",
                "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": "Ubuntu",
                        "score": "medium"
                    }
                ]
            }
        ]
    }
}