USN-4477-1

Amit Klein discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. (CVE-2020-15810)

Régis Leroy discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request splitting attack, resulting in cache poisoning. (CVE-2020-15811)

Lubos Uhliarik discovered that Squid incorrectly handled certain Cache Digest response messages sent by trusted peers. A remote attacker could possibly use this issue to cause Squid to consume resources, resulting in a denial of service. (CVE-2020-24606)

References

Affected packages

Ubuntu:20.04:LTS / squid

Package

Name: squid
Purl: pkg:deb/ubuntu/squid@4.10-1ubuntu1.2?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.10-1ubuntu1.2

Affected versions

4.*

4.8-1ubuntu2

4.8-1ubuntu3

4.9-2ubuntu1

4.9-2ubuntu2

4.9-2ubuntu3

4.9-2ubuntu4

4.10-1ubuntu1

4.10-1ubuntu1.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "squid",
            "binary_version": "4.10-1ubuntu1.2"
        },
        {
            "binary_name": "squid-cgi",
            "binary_version": "4.10-1ubuntu1.2"
        },
        {
            "binary_name": "squid-common",
            "binary_version": "4.10-1ubuntu1.2"
        },
        {
            "binary_name": "squid-purge",
            "binary_version": "4.10-1ubuntu1.2"
        },
        {
            "binary_name": "squidclient",
            "binary_version": "4.10-1ubuntu1.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2020-15810"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ],
            "id": "CVE-2020-15811"
        },
        {
            "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:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2020-24606"
        }
    ]
}