usn-6500-1
Vulnerability from osv_ubuntu
Published
2023-11-21 15:42
Modified
2026-04-27 14:11
Summary
squid vulnerabilities
Details

Joshua Rogers discovered that Squid incorrectly handled validating certain SSL certificates. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-46724)

Joshua Rogers discovered that Squid incorrectly handled the Gopher protocol. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. Gopher support has been disabled in this update. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-46728)

Keran Mu and Jianjun Chen discovered that Squid incorrectly handled the chunked decoder. A remote attacker could possibly use this issue to perform HTTP request smuggling attacks. (CVE-2023-46846)

Joshua Rogers discovered that Squid incorrectly handled HTTP Digest Authentication. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-46847)

Joshua Rogers discovered that Squid incorrectly handled certain FTP urls. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-46848)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-46728",
              "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:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-46846",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-46847",
              "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:U/C:L/I:L/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "4.10-1ubuntu1.8"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "4.10-1ubuntu1.8"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "4.10-1ubuntu1.8"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "4.10-1ubuntu1.8"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "4.10-1ubuntu1.8"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "squid",
        "purl": "pkg:deb/ubuntu/squid@4.10-1ubuntu1.8?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.10-1ubuntu1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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",
        "4.10-1ubuntu1.2",
        "4.10-1ubuntu1.3",
        "4.10-1ubuntu1.4",
        "4.10-1ubuntu1.5",
        "4.10-1ubuntu1.6",
        "4.10-1ubuntu1.7"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-46724",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                  "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-46728",
              "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:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-46846",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-46847",
              "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:U/C:L/I:L/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-46848",
              "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:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "5.7-0ubuntu0.22.04.2"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "5.7-0ubuntu0.22.04.2"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "5.7-0ubuntu0.22.04.2"
          },
          {
            "binary_name": "squid-openssl",
            "binary_version": "5.7-0ubuntu0.22.04.2"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "5.7-0ubuntu0.22.04.2"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "5.7-0ubuntu0.22.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "squid",
        "purl": "pkg:deb/ubuntu/squid@5.7-0ubuntu0.22.04.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.7-0ubuntu0.22.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.13-10ubuntu5",
        "5.2-1ubuntu1",
        "5.2-1ubuntu3",
        "5.2-1ubuntu4",
        "5.2-1ubuntu4.1",
        "5.2-1ubuntu4.2",
        "5.2-1ubuntu4.3",
        "5.7-0ubuntu0.22.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Joshua Rogers discovered that Squid incorrectly handled validating certain\nSSL certificates. A remote attacker could possibly use this issue to cause\nSquid to crash, resulting in a denial of service. This issue only affected\nUbuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-46724)\n\nJoshua Rogers discovered that Squid incorrectly handled the Gopher\nprotocol. A remote attacker could possibly use this issue to cause Squid to\ncrash, resulting in a denial of service. Gopher support has been disabled\nin this update. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04\nLTS, and Ubuntu 23.04. (CVE-2023-46728)\n\nKeran Mu and Jianjun Chen discovered that Squid incorrectly handled the\nchunked decoder. A remote attacker could possibly use this issue to perform\nHTTP request smuggling attacks. (CVE-2023-46846)\n\nJoshua Rogers discovered that Squid incorrectly handled HTTP Digest\nAuthentication. A remote attacker could possibly use this issue to cause\nSquid to crash, resulting in a denial of service. (CVE-2023-46847)\n\nJoshua Rogers discovered that Squid incorrectly handled certain FTP urls.\nA remote attacker could possibly use this issue to cause Squid to crash,\nresulting in a denial of service. (CVE-2023-46848)\n",
  "id": "USN-6500-1",
  "modified": "2026-04-27T14:11:32Z",
  "published": "2023-11-21T15:42:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6500-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-46724"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-46728"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-46846"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-46847"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-46848"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "squid vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-46724",
    "UBUNTU-CVE-2023-46728",
    "UBUNTU-CVE-2023-46846",
    "UBUNTU-CVE-2023-46847",
    "UBUNTU-CVE-2023-46848"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.