{ "containers": { "cna": { "affected": [ { "product": "linked-list-allocator", "vendor": "rust-osdev", "versions": [ { "status": "affected", "version": "< 0.10.2" } ] } ], "descriptions": [ { "lang": "en", "value": "linked_list_allocator is an allocator usable for no_std systems. Prior to version 0.10.2, the heap initialization methods were missing a minimum size check for the given heap size argument. This could lead to out-of-bound writes when a heap was initialized with a size smaller than `3 * size_of::` because of metadata write operations. This vulnerability impacts all the initialization functions on the `Heap` and `LockedHeap` types, including `Heap::new`, `Heap::init`, `Heap::init_from_slice`, and `LockedHeap::new`. It also affects multiple uses of the `Heap::extend` method. Version 0.10.2 contains a patch for the issue. As a workaround, ensure that the heap is only initialized with a size larger than `3 * size_of::` and that the `Heap::extend` method is only called with sizes larger than `2 * size_of::()`. Also, ensure that the total heap size is (and stays) a multiple of `2 * size_of::()`." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-119", "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-787", "description": "CWE-787: Out-of-bounds Write", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-09-07T22:50:09", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/rust-osdev/linked-list-allocator/security/advisories/GHSA-xg8p-34w2-j49j" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/rust-osdev/linked-list-allocator/commit/013b0758643943e8df5b17bbb495460ff47e8bbf" } ], "source": { "advisory": "GHSA-xg8p-34w2-j49j", "discovery": "UNKNOWN" }, "title": "linked_list_allocator vulnerable to out-of-bound writes on `Heap` initialization and `Heap::extend`", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-36086", "STATE": "PUBLIC", "TITLE": "linked_list_allocator vulnerable to out-of-bound writes on `Heap` initialization and `Heap::extend`" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "linked-list-allocator", "version": { "version_data": [ { "version_value": "< 0.10.2" } ] } } ] }, "vendor_name": "rust-osdev" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "linked_list_allocator is an allocator usable for no_std systems. Prior to version 0.10.2, the heap initialization methods were missing a minimum size check for the given heap size argument. This could lead to out-of-bound writes when a heap was initialized with a size smaller than `3 * size_of::` because of metadata write operations. This vulnerability impacts all the initialization functions on the `Heap` and `LockedHeap` types, including `Heap::new`, `Heap::init`, `Heap::init_from_slice`, and `LockedHeap::new`. It also affects multiple uses of the `Heap::extend` method. Version 0.10.2 contains a patch for the issue. As a workaround, ensure that the heap is only initialized with a size larger than `3 * size_of::` and that the `Heap::extend` method is only called with sizes larger than `2 * size_of::()`. Also, ensure that the total heap size is (and stays) a multiple of `2 * size_of::()`." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer" } ] }, { "description": [ { "lang": "eng", "value": "CWE-787: Out-of-bounds Write" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/rust-osdev/linked-list-allocator/security/advisories/GHSA-xg8p-34w2-j49j", "refsource": "CONFIRM", "url": "https://github.com/rust-osdev/linked-list-allocator/security/advisories/GHSA-xg8p-34w2-j49j" }, { "name": "https://github.com/rust-osdev/linked-list-allocator/commit/013b0758643943e8df5b17bbb495460ff47e8bbf", "refsource": "MISC", "url": "https://github.com/rust-osdev/linked-list-allocator/commit/013b0758643943e8df5b17bbb495460ff47e8bbf" } ] }, "source": { "advisory": "GHSA-xg8p-34w2-j49j", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T09:52:00.524Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/rust-osdev/linked-list-allocator/security/advisories/GHSA-xg8p-34w2-j49j" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/rust-osdev/linked-list-allocator/commit/013b0758643943e8df5b17bbb495460ff47e8bbf" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-36086", "datePublished": "2022-09-07T22:50:09", "dateReserved": "2022-07-15T00:00:00", "dateUpdated": "2024-08-03T09:52:00.524Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }