GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2020-6019 (GCVE-0-2020-6019)

Vulnerability from cvelistv5 – Published: 2020-11-13 15:03 – Updated: 2024-08-04 08:47
VLAI
Summary
Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.
CWE
References
Impacted products
Vendor Product Version CPE status
n/a Game Networking Sockets Affected: All versions prior to v1.2.0
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:47:41.004Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Game Networking Sockets",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to v1.2.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Valve\u0027s Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-248",
              "description": "CWE-248: Uncaught Exception",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-10T17:45:22.000Z",
        "orgId": "897c38be-0345-43cd-b6cf-fe179e0c4f45",
        "shortName": "checkpoint"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@checkpoint.com",
          "ID": "CVE-2020-6019",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Game Networking Sockets",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions prior to v1.2.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Valve\u0027s Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-248: Uncaught Exception"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678",
              "refsource": "MISC",
              "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678"
            },
            {
              "name": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/",
              "refsource": "MISC",
              "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "897c38be-0345-43cd-b6cf-fe179e0c4f45",
    "assignerShortName": "checkpoint",
    "cveId": "CVE-2020-6019",
    "datePublished": "2020-11-13T15:03:31.000Z",
    "dateReserved": "2020-01-07T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:47:41.004Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-6019",
      "date": "2026-09-16",
      "epss": "0.02791",
      "percentile": "0.85711"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:valvesoftware:game_networking_sockets:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"1.2.0\", \"matchCriteriaId\": \"8CB71176-D705-4517-81B9-97A557278890\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Valve\u0027s Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.\"}, {\"lang\": \"es\", \"value\": \"Game Networking Sockets de Valve versiones anteriores a v1.2.0, maneja inapropiadamente unos mensajes de estad\\u00edsticas en l\\u00ednea en la funci\\u00f3n CConnectionTransportUDPBase::Received_Data(), conllevando a una excepci\\u00f3n lanzada desde libprotobuf y resultando en un bloqueo\"}]",
      "id": "CVE-2020-6019",
      "lastModified": "2024-11-21T05:34:59.607",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-11-13T16:15:18.463",
      "references": "[{\"url\": \"https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678\", \"source\": \"cve@checkpoint.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/\", \"source\": \"cve@checkpoint.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve@checkpoint.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cve@checkpoint.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-248\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-6019\",\"sourceIdentifier\":\"cve@checkpoint.com\",\"published\":\"2020-11-13T16:15:18.463\",\"lastModified\":\"2024-11-21T05:34:59.607\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Valve\u0027s Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.\"},{\"lang\":\"es\",\"value\":\"Game Networking Sockets de Valve versiones anteriores a v1.2.0, maneja inapropiadamente unos mensajes de estad\u00edsticas en l\u00ednea en la funci\u00f3n CConnectionTransportUDPBase::Received_Data(), conllevando a una excepci\u00f3n lanzada desde libprotobuf y resultando en un bloqueo\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cve@checkpoint.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-248\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:valvesoftware:game_networking_sockets:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.2.0\",\"matchCriteriaId\":\"8CB71176-D705-4517-81B9-97A557278890\"}]}]}],\"references\":[{\"url\":\"https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678\",\"source\":\"cve@checkpoint.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/\",\"source\":\"cve@checkpoint.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-05-22T17:29:51+00:00",
      "cve": "CVE-2020-6019",
      "id": "CVE-2020-6019",
      "initial_release_date": "2020-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2020-6019",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-6019.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…