github - ghsa-2rgm-7354-cfw6

GHSA-2RGM-7354-CFW6

Vulnerability from github – Published: 2022-05-24 17:34 – Updated: 2022-10-22 12:00

Details

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution.

Severity ?

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2020-6016"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-11-18T15:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "Valve\u0027s Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution.",
  "id": "GHSA-2rgm-7354-cfw6",
  "modified": "2022-10-22T12:00:30Z",
  "published": "2022-05-24T17:34:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-6016"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"
    },
    {
      "type": "WEB",
      "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2020-6016 (GCVE-0-2020-6016)

Vulnerability from cvelistv5 – Published: 2020-11-18 14:11 – Updated: 2024-08-04 08:47

Summary

Severity ?

No CVSS data available.

CWE

CWE-590 - Free of Memory not on the Heap

Assigner

checkpoint

References

URL

Tags

	https://github.com/ValveSoftware/GameNetworkingSo…	x_refsource_MISC
	https://research.checkpoint.com/2020/game-on-find…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Game Networking Sockets	Affected: All versions prior to v1.2.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:47:41.048Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"
          },
          {
            "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 unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-590",
              "description": "CWE-590: Free of Memory not on the Heap",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-10T20:52:23",
        "orgId": "897c38be-0345-43cd-b6cf-fe179e0c4f45",
        "shortName": "checkpoint"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"
        },
        {
          "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-2020-6016",
          "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 unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-590: Free of Memory not on the Heap"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43",
              "refsource": "MISC",
              "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"
            },
            {
              "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-2020-6016",
    "datePublished": "2020-11-18T14:11:49",
    "dateReserved": "2020-01-07T00:00:00",
    "dateUpdated": "2024-08-04T08:47:41.048Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-2RGM-7354-CFW6

CVE-2020-6016 (GCVE-0-2020-6016)

Tags

Sightings

Nomenclature