USN-5474-1

It was dicovered that Varnish Cache did not clear a pointer between the handling of one client request and the next request within the same connection. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2019-20637)

It was discovered that Varnish Cache could have an assertion failure when a TLS termination proxy uses PROXY version 2. A remote attacker could possibly use this issue to restart the daemon and cause a performance loss. (CVE-2020-11653)

It was discovered that Varnish Cache allowed request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2021-36740)

It was discovered that Varnish Cache allowed request smuggling for HTTP/1 connections. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2022-23959)

References

Affected packages

Ubuntu:18.04:LTS / varnish

Package

Name: varnish
Purl: pkg:deb/ubuntu/varnish@5.2.1-1ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.2.1-1ubuntu0.1

Affected versions

5.*

5.0.0-7.1

5.2.1-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.2.1-1ubuntu0.1",
            "binary_name": "libvarnishapi-dev"
        },
        {
            "binary_version": "5.2.1-1ubuntu0.1",
            "binary_name": "libvarnishapi1"
        },
        {
            "binary_version": "5.2.1-1ubuntu0.1",
            "binary_name": "varnish"
        }
    ],
    "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-2019-20637"
        },
        {
            "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-2022-23959"
        }
    ]
}

Ubuntu:20.04:LTS / varnish

Package

Name: varnish
Purl: pkg:deb/ubuntu/varnish@6.2.1-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

6.2.1-2ubuntu0.1

Affected versions

6.*

6.1.1-1

6.2.1-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "libvarnishapi-dev"
        },
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "libvarnishapi2"
        },
        {
            "binary_version": "6.2.1-2ubuntu0.1",
            "binary_name": "varnish"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04: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-2019-20637"
        },
        {
            "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": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-11653"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-36740"
        },
        {
            "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-2022-23959"
        }
    ]
}

Ubuntu:22.04:LTS / varnish

Package

Name: varnish
Purl: pkg:deb/ubuntu/varnish@6.6.1-1ubuntu0.2?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

6.6.1-1ubuntu0.2

Affected versions

6.*

6.5.2-1

6.6.1-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "6.6.1-1ubuntu0.2",
            "binary_name": "libvarnishapi-dev"
        },
        {
            "binary_version": "6.6.1-1ubuntu0.2",
            "binary_name": "libvarnishapi2"
        },
        {
            "binary_version": "6.6.1-1ubuntu0.2",
            "binary_name": "varnish"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:22.04: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-2022-23959"
        }
    ]
}