{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-39946", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-08-07T16:27:27.074Z", "datePublished": "2023-08-11T13:37:07.478Z", "dateUpdated": "2024-08-02T18:18:10.179Z"}, "containers": {"cna": {"title": "Heap overflow in push_back_helper due to a CDR message", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-j297-rg6j-m7hx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-j297-rg6j-m7hx"}, {"name": "https://github.com/eProsima/Fast-DDS/commit/349227005827e8a67a0406b823138b5068cc47dc", "tags": ["x_refsource_MISC"], "url": "https://github.com/eProsima/Fast-DDS/commit/349227005827e8a67a0406b823138b5068cc47dc"}, {"url": "https://www.debian.org/security/2023/dsa-5481"}], "affected": [{"vendor": "eProsima", "product": "Fast-DDS", "versions": [{"version": "< 2.6.6", "status": "affected"}, {"version": ">= 2.7.0, < 2.9.2", "status": "affected"}, {"version": ">= 2.10.0, < 2.10.2", "status": "affected"}, {"version": "= 2.11.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-08-11T13:38:42.162Z"}, "descriptions": [{"lang": "en", "value": "eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6, heap can be overflowed by providing a PID_PROPERTY_LIST parameter that contains a CDR string with length larger than the size of actual content. In `eprosima::fastdds::dds::ParameterPropertyList_t::push_back_helper`, `memcpy` is called to first copy the octet'ized length and then to copy the data into `properties_.data`. At the second memcpy, both `data` and `size` can be controlled by anyone that sends the CDR string to the discovery multicast port. This can remotely crash any Fast-DDS process. Versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6 contain a patch for this issue."}], "source": {"advisory": "GHSA-j297-rg6j-m7hx", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T18:18:10.179Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-j297-rg6j-m7hx", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-j297-rg6j-m7hx"}, {"name": "https://github.com/eProsima/Fast-DDS/commit/349227005827e8a67a0406b823138b5068cc47dc", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/eProsima/Fast-DDS/commit/349227005827e8a67a0406b823138b5068cc47dc"}, {"url": "https://www.debian.org/security/2023/dsa-5481", "tags": ["x_transferred"]}]}]}}

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