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

0 Unknown 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

{
    "availability":  "No subscription required",
    "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"
        }
    ]
}

Database specific

cves_map

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

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4477-1.json"