CVE-2017-16931

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-11-23T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-20T22:53:04.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "[debian-lts-announce] 20171130 [SECURITY] [DLA 1194-1] libxml2 security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html"}, {"tags": ["x_refsource_MISC"], "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.gnome.org/show_bug.cgi?id=766956"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://xmlsoft.org/news.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-16931", "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": "parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[debian-lts-announce] 20171130 [SECURITY] [DLA 1194-1] libxml2 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html"}, {"name": "https://www.oracle.com//security-alerts/cpujul2021.html", "refsource": "MISC", "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"name": "https://bugzilla.gnome.org/show_bug.cgi?id=766956", "refsource": "CONFIRM", "url": "https://bugzilla.gnome.org/show_bug.cgi?id=766956"}, {"name": "http://xmlsoft.org/news.html", "refsource": "CONFIRM", "url": "http://xmlsoft.org/news.html"}, {"name": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3", "refsource": "CONFIRM", "url": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T20:43:57.797Z"}, "title": "CVE Program Container", "references": [{"name": "[debian-lts-announce] 20171130 [SECURITY] [DLA 1194-1] libxml2 security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.gnome.org/show_bug.cgi?id=766956"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://xmlsoft.org/news.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3"}]}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-14T06:30:26.259Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-16931", "datePublished": "2017-11-23T21:00:00.000Z", "dateReserved": "2017-11-23T00:00:00.000Z", "dateUpdated": "2026-10-14T06:30:26.259Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "vendor": "Siemens", "versions": [{"lessThan": "V3.1.5", "status": "affected", "version": "V3.1.0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CC4875D-A4B2-4A7C-B020-7C2E86412B7C", "versionEndIncluding": "2.9.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name."}, {"lang": "es", "value": "parser.c en libxml2 en versiones anteriores a la 2.9.5 gestiona de manera incorrecta las referencias de entidades de par\u00e1metro debido a que la macro NEXTL llama a la funci\u00f3n xmlParserHandlePEReference en caso de que haya un car\u00e1cter \"%\" en un nombre DTD."}], "id": "CVE-2017-16931", "lastModified": "2026-10-14T07:16:39.460", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-11-23T21:29:00.390", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://xmlsoft.org/news.html"}, {"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "https://bugzilla.gnome.org/show_bug.cgi?id=766956"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html"}, {"source": "cve@mitre.org", "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://xmlsoft.org/news.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://bugzilla.gnome.org/show_bug.cgi?id=766956"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "libxml2: Mishandling parameter-entity references", "id": "1517307", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1517307"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-776", "details": ["parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name."], "name": "CVE-2017-16931", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Will not fix", "package_name": "rh-ruby22-rubygem-nokogiri", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Will not fix", "package_name": "rubygem-nokogiri", "product_name": "Red Hat Enterprise MRG 2"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Will not fix", "package_name": "ruby193-rubygem-nokogiri", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Will not fix", "package_name": "tfm-rubygem-nokogiri", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-passenger40-rubygem-nokogiri", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-ror42-rubygem-nokogiri", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-ror50-rubygem-nokogiri", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:rhel_sam:1", "fix_state": "Will not fix", "package_name": "ruby193-rubygem-nokogiri", "product_name": "Red Hat Subscription Asset Manager"}], "public_date": "2017-06-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-16931\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-16931"], "statement": "This issue affects the versions of rubygem-nokogiri as shipped with Red Hat Subscription Asset Manager 1.x. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.\nThis issue affects the versions of libxml2 as shipped with Red Hat Enterprise Linux 5, 6, and 7. Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.\nThis issue affects the versions of rubygem-nokogiri on CloudForms 5 as it uses the Red Hat Enterprise copy of libxml2 as shipped with Red Hat Enterprise Linux 7. Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.\nThis issue affects the versions of rubygem-nokogiri on Satellite 6.0, 6.1 and 6.2 as it uses the Red Hat Enterprise copy of libxml2 as shipped with Red Hat Enterprise Linux 7. Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/. Please note that Satellite version 6.3 no longer ships rubygem-nokogir, but instead uses a version of rubygem-nokogiri from another software channel.\nRed Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.\nRed Hat Enterprise Linux 6 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Moderate"}

{}