CVE-2019-19977

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-12-26T00:07:49.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242"}, {"tags": ["x_refsource_MISC"], "url": "https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-19977", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md", "refsource": "MISC", "url": "https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md"}, {"name": "https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242", "refsource": "MISC", "url": "https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242"}, {"name": "https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/", "refsource": "MISC", "url": "https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T02:32:10.156Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-19977", "datePublished": "2019-12-26T00:07:49.000Z", "dateReserved": "2019-12-26T00:00:00.000Z", "dateUpdated": "2024-08-05T02:32:10.156Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libesmtp_project:libesmtp:*:*:*:*:*:*:*:*", "matchCriteriaId": "51783EF9-9481-4C6C-9749-ABD250766401", "versionEndIncluding": "1.0.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read."}, {"lang": "es", "value": "libESMTP versiones hasta 1.0.6 maneja inapropiadamente la copia de dominio en un b\u00fafer de tama\u00f1o fijo en la funci\u00f3n ntlm_build_type_2 en el archivo ntlm/ntlmstruct.c, como es demostrado mediante una lectura excesiva del b\u00fafer en la regi\u00f3n stack de la memoria."}], "id": "CVE-2019-19977", "lastModified": "2026-06-17T02:27:32.227", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-12-26T01:15:10.973", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "libesmtp: Stack-based buffer over-read in ntlm_build_type_2() in ntlm/ntlmstruct.c", "id": "1788744", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788744"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read."], "name": "CVE-2019-19977", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libesmtp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libesmtp", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2019-12-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-19977\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-19977"], "statement": "This issue did not affect the versions of libesmtp as shipped with Red Hat Enterprise Linux 6 and 7.", "threat_severity": "Moderate"}

{}