UBUNTU-CVE-2022-40468 (CVE-2022-40468)

Vulnerability from osv_ubuntu – Published: 2022-09-19 17:15 – Updated: 2025-10-24 04:53 – Source website
VLAI
Details

Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tinyproxy",
            "binary_version": "1.8.3-3ubuntu14.04.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "tinyproxy",
        "purl": "pkg:deb/ubuntu/tinyproxy@1.8.3-3ubuntu14.04.1~esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.3-3ubuntu14.04.1~esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.3-3ubuntu1",
        "1.8.3-3ubuntu14.04.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tinyproxy",
            "binary_version": "1.8.3-3ubuntu16.04.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "tinyproxy",
        "purl": "pkg:deb/ubuntu/tinyproxy@1.8.3-3ubuntu16.04.1~esm2?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.3-3ubuntu16.04.1~esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.3-3ubuntu1",
        "1.8.3-3ubuntu16.04.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tinyproxy",
            "binary_version": "1.8.4-5ubuntu0.1~esm2"
          },
          {
            "binary_name": "tinyproxy-bin",
            "binary_version": "1.8.4-5ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "tinyproxy",
        "purl": "pkg:deb/ubuntu/tinyproxy@1.8.4-5ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.4-5ubuntu0.1~esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.4-2",
        "1.8.4-3",
        "1.8.4-5",
        "1.8.4-5ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "tinyproxy",
            "binary_version": "1.10.0-4ubuntu0.1"
          },
          {
            "binary_name": "tinyproxy-bin",
            "binary_version": "1.10.0-4ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "tinyproxy",
        "purl": "pkg:deb/ubuntu/tinyproxy@1.10.0-4ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.10.0-4ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.0-2",
        "1.10.0-4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tinyproxy",
            "binary_version": "1.11.0-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "tinyproxy-bin",
            "binary_version": "1.11.0-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "tinyproxy",
        "purl": "pkg:deb/ubuntu/tinyproxy@1.11.0-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.11.0-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.0-5",
        "1.11.0-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.",
  "id": "UBUNTU-CVE-2022-40468",
  "modified": "2025-10-24T04:53:51Z",
  "published": "2022-09-19T17:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-40468"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/tinyproxy/tinyproxy/issues/457"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/tinyproxy/tinyproxy/commit/3764b8551463b900b5b4e3ec0cd9bb9182191cb7"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/tinyproxy/tinyproxy"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-40468"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7140-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7140-2"
    }
  ],
  "related": [
    "USN-7140-1",
    "USN-7140-2"
  ],
  "schema_version": "1.7.0",
  "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"
    }
  ],
  "upstream": [
    "CVE-2022-40468"
  ]
}



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