usn-5531-1
Vulnerability from osv_ubuntu
Published
2022-07-26 16:28
Modified
2026-04-27 14:11
Summary
protobuf-c vulnerability
Details

Pietro Borrello discovered that protobuf-c contained an invalid arithmetic shift. This vulnerability allowed attackers to cause a denial of service (system crash) via unspecified vectors (CVE-2022-33070).

It was discovered that protobuf-c contained an unsigned integer overflow. This vulnerability allowed attackers to cause a denial of service (system crash) via unspecified vectors.

Todd Miller discovered that protobuf-c contained a possible NULL dereference. This could cause a vulnerability that allowed attackers to cause a denial of service (system crash) via unspecified vectors.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-33070",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libprotobuf-c1",
            "binary_version": "1.3.3-1ubuntu0.1"
          },
          {
            "binary_name": "protobuf-c-compiler",
            "binary_version": "1.3.3-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "protobuf-c",
        "purl": "pkg:deb/ubuntu/protobuf-c@1.3.3-1ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.3-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.1-1build1",
        "1.3.2-1",
        "1.3.3-1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-33070",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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": "libprotobuf-c1",
            "binary_version": "1.3.3-1ubuntu2.1"
          },
          {
            "binary_name": "protobuf-c-compiler",
            "binary_version": "1.3.3-1ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "protobuf-c",
        "purl": "pkg:deb/ubuntu/protobuf-c@1.3.3-1ubuntu2.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.3-1ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.3-1build2",
        "1.3.3-1ubuntu1",
        "1.3.3-1ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "Pietro Borrello discovered that protobuf-c contained an invalid\narithmetic shift. This vulnerability allowed attackers to cause a\ndenial of service (system crash) via unspecified vectors\n(CVE-2022-33070).\n\nIt was discovered that protobuf-c contained an unsigned integer\noverflow. This vulnerability allowed attackers to cause a denial of\nservice (system crash) via unspecified vectors.\n\nTodd Miller discovered that protobuf-c contained a possible NULL\ndereference. This could cause a vulnerability that allowed attackers to\ncause a denial of service (system crash) via unspecified vectors.\n",
  "id": "USN-5531-1",
  "modified": "2026-04-27T14:11:28Z",
  "published": "2022-07-26T16:28:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5531-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-33070"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "protobuf-c vulnerability",
  "upstream": [
    "UBUNTU-CVE-2022-33070"
  ]
}



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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.