{ "containers": { "cna": { "affected": [ { "product": "tremor-runtime", "vendor": "tremor-rs", "versions": [ { "status": "affected", "version": "> 0.7.2, < 0.11.6" } ] } ], "descriptions": [ { "lang": "en", "value": "Tremor is an event processing system for unstructured data. A vulnerability exists between versions 0.7.2 and 0.11.6. This vulnerability is a memory safety Issue when using `patch` or `merge` on `state` and assign the result back to `state`. In this case, affected versions of Tremor and the tremor-script crate maintains references to memory that might have been freed already. And these memory regions can be accessed by retrieving the `state`, e.g. send it over TCP or HTTP. This requires the Tremor server (or any other program using tremor-script) to execute a tremor-script script that uses the mentioned language construct. The issue has been patched in version 0.11.6 by removing the optimization and always cloning the target expression of a Merge or Patch. If an upgrade is not possible, a possible workaround is to avoid the optimization by introducing a temporary variable and not immediately reassigning to `state`." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-416", "description": "CWE-416: Use After Free", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-825", "description": "CWE-825: Expired Pointer Dereference", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-09-17T14:00:14", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/tremor-rs/tremor-runtime/security/advisories/GHSA-mc22-5q92-8v85" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/tremor-rs/tremor-runtime/pull/1217" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/tremor-rs/tremor-runtime/commit/1a2efcdbe68e5e7fd0a05836ac32d2cde78a0b2e" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/tremor-rs/tremor-runtime/releases/tag/v0.11.6" } ], "source": { "advisory": "GHSA-mc22-5q92-8v85", "discovery": "UNKNOWN" }, "title": "Memory Safety Issue when using patch or merge on state and assign the result back to state", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-39228", "STATE": "PUBLIC", "TITLE": "Memory Safety Issue when using patch or merge on state and assign the result back to state" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "tremor-runtime", "version": { "version_data": [ { "version_value": "> 0.7.2, < 0.11.6" } ] } } ] }, "vendor_name": "tremor-rs" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Tremor is an event processing system for unstructured data. A vulnerability exists between versions 0.7.2 and 0.11.6. This vulnerability is a memory safety Issue when using `patch` or `merge` on `state` and assign the result back to `state`. In this case, affected versions of Tremor and the tremor-script crate maintains references to memory that might have been freed already. And these memory regions can be accessed by retrieving the `state`, e.g. send it over TCP or HTTP. This requires the Tremor server (or any other program using tremor-script) to execute a tremor-script script that uses the mentioned language construct. The issue has been patched in version 0.11.6 by removing the optimization and always cloning the target expression of a Merge or Patch. If an upgrade is not possible, a possible workaround is to avoid the optimization by introducing a temporary variable and not immediately reassigning to `state`." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-416: Use After Free" } ] }, { "description": [ { "lang": "eng", "value": "CWE-825: Expired Pointer Dereference" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/tremor-rs/tremor-runtime/security/advisories/GHSA-mc22-5q92-8v85", "refsource": "CONFIRM", "url": "https://github.com/tremor-rs/tremor-runtime/security/advisories/GHSA-mc22-5q92-8v85" }, { "name": "https://github.com/tremor-rs/tremor-runtime/pull/1217", "refsource": "MISC", "url": "https://github.com/tremor-rs/tremor-runtime/pull/1217" }, { "name": "https://github.com/tremor-rs/tremor-runtime/commit/1a2efcdbe68e5e7fd0a05836ac32d2cde78a0b2e", "refsource": "MISC", "url": "https://github.com/tremor-rs/tremor-runtime/commit/1a2efcdbe68e5e7fd0a05836ac32d2cde78a0b2e" }, { "name": "https://github.com/tremor-rs/tremor-runtime/releases/tag/v0.11.6", "refsource": "MISC", "url": "https://github.com/tremor-rs/tremor-runtime/releases/tag/v0.11.6" } ] }, "source": { "advisory": "GHSA-mc22-5q92-8v85", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:58:18.328Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/tremor-rs/tremor-runtime/security/advisories/GHSA-mc22-5q92-8v85" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/tremor-rs/tremor-runtime/pull/1217" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/tremor-rs/tremor-runtime/commit/1a2efcdbe68e5e7fd0a05836ac32d2cde78a0b2e" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/tremor-rs/tremor-runtime/releases/tag/v0.11.6" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-39228", "datePublished": "2021-09-17T14:00:15", "dateReserved": "2021-08-16T00:00:00", "dateUpdated": "2024-08-04T01:58:18.328Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }