CVE-2023-27371

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd", "name": "https://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://git.gnunet.org/libmicrohttpd.git/commit/?id=6d6846e20bfdf4b3eb1b592c97520a532f724238", "name": "https://git.gnunet.org/libmicrohttpd.git/commit/?id=6d6846e20bfdf4b3eb1b592c97520a532f724238", "tags": ["Patch"], "refsource": "MISC"}, {"url": "https://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html", "name": "https://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html", "tags": ["Mailing List"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "GNU libmicrohttpd before 0.9.76 allows remote DoS (Denial of Service) due to improper parsing of a multipart/form-data boundary in the postprocessor.c MHD_create_post_processor() method. This allows an attacker to remotely send a malicious HTTP POST packet that includes one or more '\\0' bytes in a multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-bounds read and a crash in the find_boundary() function."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-125"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2023-27371", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}}, "publishedDate": "2023-02-28T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gnu:libmicrohttpd:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "0.9.76"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-03-16T18:50Z"}