USN-4446-1

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Source
https://ubuntu.com/security/notices/USN-4446-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4446-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4446-1
Upstream
Related
Published
2020-08-03T13:25:55.994105Z
Modified
2025-10-13T04:35:11Z
Summary
squid3 vulnerabilities
Details

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

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