{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:internet_computer:ic-cdk:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "ic-cdk",
            "vendor": "internet_computer",
            "versions": [
              {
                "lessThan": "0.8.2",
                "status": "affected",
                "version": "0.8.0",
                "versionType": "semver"
              },
              {
                "lessThan": "0.9.3",
                "status": "affected",
                "version": "0.9.0",
                "versionType": "semver"
              },
              {
                "lessThan": "0.10.1",
                "status": "affected",
                "version": "0.10.0",
                "versionType": "semver"
              },
              {
                "lessThan": "0.11.5",
                "status": "affected",
                "version": "0.11.0",
                "versionType": "semver"
              },
              {
                "lessThan": "0.12.2",
                "status": "affected",
                "version": "0.12.0",
                "versionType": "semver"
              },
              {
                "lessThan": "0.13.4",
                "status": "affected",
                "version": "0.13.0",
                "versionType": "semver"
              },
              {
                "lessThan": "0.14.1",
                "status": "affected",
                "version": "0.14.0",
                "versionType": "semver"
              },
              {
                "lessThan": "0.15.1",
                "status": "affected",
                "version": "0.15.0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-7884",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-05T14:27:48.684901Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-05T14:42:09.085Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://crates.io/crates/ic-cdk",
          "defaultStatus": "unaffected",
          "packageName": "ic-cdk",
          "product": "ic-cdk",
          "repo": "https://github.com/dfinity/cdk-rs",
          "vendor": "Internet Computer",
          "versions": [
            {
              "changes": [
                {
                  "at": "0.8.2",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0.8.2",
              "status": "affected",
              "version": "0.8.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "0.9.3",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0.9.3",
              "status": "affected",
              "version": "0.9.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "0.10.1",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0.10.1",
              "status": "affected",
              "version": "0.10.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "0.11.6",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0.11.5",
              "status": "affected",
              "version": "0.11.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "0.12.2",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0.12.2",
              "status": "affected",
              "version": "0.12.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "0.13.5",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0.13.4",
              "status": "affected",
              "version": "0.13.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "0.14.1",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0.14.1",
              "status": "affected",
              "version": "0.14.0",
              "versionType": "semver"
            },
            {
              "changes": [
                {
                  "at": "0.15.1",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0.15.1",
              "status": "affected",
              "version": "0.15.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "When a canister method is called via \u003ctt\u003eic_cdk::call*\u003c/tt\u003e , a new Future \u003ctt\u003eCallFuture\u0026nbsp;\u003c/tt\u003eis created  and can be awaited by the caller to get the execution result. Internally, the state of the Future is tracked and stored in a struct called \u003ctt\u003eCallFutureState\u003c/tt\u003e.  A bug in the polling implementation of the \u003ctt\u003eCallFuture\u003c/tt\u003e allows multiple references to be held for this internal state and not all references were dropped before the \u003ctt\u003eFuture\u003c/tt\u003e\u0026nbsp;is resolved. Since we have unaccounted references held, a copy of the internal state ended up being persisted in the canister\u0027s heap and thus causing a memory leak. \u003cbr\u003e\u003ch3\u003eImpact\u0026nbsp;\u003c/h3\u003eCanisters built in Rust with \u003ctt\u003eic_cdk\u003c/tt\u003e\u0026nbsp;and \u003ctt\u003eic_cdk_timers\u003c/tt\u003e\u0026nbsp;are affected. If these canisters call a canister method, use timers or heartbeat, they will likely leak a small amount of memory on every such operation. \u003cb\u003eIn the worst case, this could lead to heap memory exhaustion triggered by an attacker. \u003c/b\u003eMotoko based canisters are not affected by the bug.\u003cbr\u003e\u003ch3\u003ePatches\u003c/h3\u003eThe patch has been backported to all minor versions between \u003ctt\u003e\u0026gt;= 0.8.0, \u0026lt;= 0.15.0\u003c/tt\u003e. The patched versions available are \u003ctt\u003e0.8.2, 0.9.3, 0.10.1, 0.11.6, 0.12.2, 0.13.5, 0.14.1, 0.15.1 \u003c/tt\u003eand their previous versions have been yanked. \u003ch3\u003eWorkarounds\u003c/h3\u003eThere are no known workarounds at the moment. Developers are recommended to upgrade their canister as soon as possible to the latest available patched version of \u003ctt\u003eic_cdk\u003c/tt\u003e\u0026nbsp;to avoid running out of Wasm heap memory. \u003cbr\u003e\u003cblockquote\u003eUpgrading the canisters (without updating `ic_cdk`) also frees the leaked memory but it\u0027s only a temporary solution.\u003c/blockquote\u003e"
            }
          ],
          "value": "When a canister method is called via ic_cdk::call* , a new Future CallFuture\u00a0is created  and can be awaited by the caller to get the execution result. Internally, the state of the Future is tracked and stored in a struct called CallFutureState.  A bug in the polling implementation of the CallFuture allows multiple references to be held for this internal state and not all references were dropped before the Future\u00a0is resolved. Since we have unaccounted references held, a copy of the internal state ended up being persisted in the canister\u0027s heap and thus causing a memory leak. \nImpact\u00a0Canisters built in Rust with ic_cdk\u00a0and ic_cdk_timers\u00a0are affected. If these canisters call a canister method, use timers or heartbeat, they will likely leak a small amount of memory on every such operation. In the worst case, this could lead to heap memory exhaustion triggered by an attacker. Motoko based canisters are not affected by the bug.\nPatchesThe patch has been backported to all minor versions between \u003e= 0.8.0, \u003c= 0.15.0. The patched versions available are 0.8.2, 0.9.3, 0.10.1, 0.11.6, 0.12.2, 0.13.5, 0.14.1, 0.15.1 and their previous versions have been yanked. WorkaroundsThere are no known workarounds at the moment. Developers are recommended to upgrade their canister as soon as possible to the latest available patched version of ic_cdk\u00a0to avoid running out of Wasm heap memory. \nUpgrading the canisters (without updating `ic_cdk`) also frees the leaked memory but it\u0027s only a temporary solution."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-131",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-131 Resource Leak Exposure"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-401",
              "description": "CWE-401 Missing Release of Memory after Effective Lifetime",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-05T13:01:20.585Z",
        "orgId": "6b35d637-e00f-4228-858c-b20ad6e1d07b",
        "shortName": "Dfinity"
      },
      "references": [
        {
          "url": "https://github.com/dfinity/cdk-rs/pull/509"
        },
        {
          "url": "https://docs.rs/ic-cdk/latest/ic_cdk/"
        },
        {
          "url": "https://internetcomputer.org/docs/current/references/ic-interface-spec"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Memory leak when calling a canister method via `ic_cdk::call`",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6b35d637-e00f-4228-858c-b20ad6e1d07b",
    "assignerShortName": "Dfinity",
    "cveId": "CVE-2024-7884",
    "datePublished": "2024-09-05T13:01:20.585Z",
    "dateReserved": "2024-08-16T15:30:36.784Z",
    "dateUpdated": "2024-09-05T14:42:09.085Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-7884\",\"sourceIdentifier\":\"6b35d637-e00f-4228-858c-b20ad6e1d07b\",\"published\":\"2024-09-05T13:15:11.390\",\"lastModified\":\"2024-09-05T17:45:07.877\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When a canister method is called via ic_cdk::call* , a new Future CallFuture\u00a0is created  and can be awaited by the caller to get the execution result. Internally, the state of the Future is tracked and stored in a struct called CallFutureState.  A bug in the polling implementation of the CallFuture allows multiple references to be held for this internal state and not all references were dropped before the Future\u00a0is resolved. Since we have unaccounted references held, a copy of the internal state ended up being persisted in the canister\u0027s heap and thus causing a memory leak. \\nImpact\u00a0Canisters built in Rust with ic_cdk\u00a0and ic_cdk_timers\u00a0are affected. If these canisters call a canister method, use timers or heartbeat, they will likely leak a small amount of memory on every such operation. In the worst case, this could lead to heap memory exhaustion triggered by an attacker. Motoko based canisters are not affected by the bug.\\nPatchesThe patch has been backported to all minor versions between \u003e= 0.8.0, \u003c= 0.15.0. The patched versions available are 0.8.2, 0.9.3, 0.10.1, 0.11.6, 0.12.2, 0.13.5, 0.14.1, 0.15.1 and their previous versions have been yanked. WorkaroundsThere are no known workarounds at the moment. Developers are recommended to upgrade their canister as soon as possible to the latest available patched version of ic_cdk\u00a0to avoid running out of Wasm heap memory. \\nUpgrading the canisters (without updating `ic_cdk`) also frees the leaked memory but it\u0027s only a temporary solution.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"6b35d637-e00f-4228-858c-b20ad6e1d07b\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"6b35d637-e00f-4228-858c-b20ad6e1d07b\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"references\":[{\"url\":\"https://docs.rs/ic-cdk/latest/ic_cdk/\",\"source\":\"6b35d637-e00f-4228-858c-b20ad6e1d07b\"},{\"url\":\"https://github.com/dfinity/cdk-rs/pull/509\",\"source\":\"6b35d637-e00f-4228-858c-b20ad6e1d07b\"},{\"url\":\"https://internetcomputer.org/docs/current/references/ic-interface-spec\",\"source\":\"6b35d637-e00f-4228-858c-b20ad6e1d07b\"}]}}"
  }
}