{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-27371", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T12:09:43.349Z", "dateReserved": "2023-02-28T00:00:00", "datePublished": "2023-02-28T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-03-30T00:00:00"}, "descriptions": [{"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."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://git.gnunet.org/libmicrohttpd.git/commit/?id=6d6846e20bfdf4b3eb1b592c97520a532f724238"}, {"url": "https://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd"}, {"url": "https://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html"}, {"name": "[debian-lts-announce] 20230330 [SECURITY] [DLA 3374-1] libmicrohttpd security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00029.html"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AC:H/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T12:09:43.349Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.gnunet.org/libmicrohttpd.git/commit/?id=6d6846e20bfdf4b3eb1b592c97520a532f724238", "tags": ["x_transferred"]}, {"url": "https://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd", "tags": ["x_transferred"]}, {"url": "https://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20230330 [SECURITY] [DLA 3374-1] libmicrohttpd security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00029.html"}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:libmicrohttpd:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EAC21CC-DA9B-4D96-A7F3-A5992C3D5537", "versionEndExcluding": "0.9.76", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"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."}], "id": "CVE-2023-27371", "lastModified": "2023-03-31T00:15:06.447", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2023-02-28T20:15:10.157", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://git.gnunet.org/libmicrohttpd.git/commit/?id=6d6846e20bfdf4b3eb1b592c97520a532f724238"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00029.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List"], "url": "https://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:7090", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "libmicrohttpd-1:0.9.59-3.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2024:1109", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "libmicrohttpd-1:0.9.59-2.el8_6.1", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-03-05T00:00:00Z"}, {"advisory": "RHSA-2024:0584", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "libmicrohttpd-1:0.9.59-2.el8_8.1", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2023:6566", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "libmicrohttpd-1:0.9.72-5.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "libmicrohttpd: remote DoS", "id": "2174313", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2174313"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["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.", "An out-of-bounds flaw was found in GNU's libmicrohttpd due to improper parsing of a multipart/form-data boundary in the MHD_create_post_processor() method in postprocessor.c. This flaw allows an attacker to remotely send a malicious HTTP POST packet that includes one or more \u2018\\0\u2019 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, causing a denial of service."], "name": "CVE-2023-27371", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libmicrohttpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libmicrohttpd", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-02-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-27371\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-27371\nhttps://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd\nhttps://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html"], "threat_severity": "Moderate", "upstream_fix": "libmicrohttpd 0.9.76"}