CVE-2021-30159

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Users can bypass intended restrictions on deleting pages in certain \"fast double move\" situations. MovePage::isValidMoveTarget() uses FOR UPDATE, but it's only called if Title::getArticleID() returns non-zero with no special flags. Next, MovePage::moveToInternal() will delete the page if getArticleID(READ_LATEST) is non-zero. Therefore, if the page is missing in the replica DB, isValidMove() will return true, and then moveToInternal() will unconditionally delete the page if it can be found in the master."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-17T07:06:40.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://phabricator.wikimedia.org/T272386"}, {"name": "DSA-4889", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2021/dsa-4889"}, {"name": "FEDORA-2021-f4223b6684", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/"}, {"name": "FEDORA-2021-d298103d3a", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/"}, {"name": "[debian-lts-announce] 20210505 [SECURITY] [DLA 2648-1] mediawiki security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html"}, {"name": "[debian-lts-announce] 20210506 [SECURITY] [DLA 2648-2] mediawiki regression update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html"}, {"name": "GLSA-202107-40", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202107-40"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-30159", "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": "An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Users can bypass intended restrictions on deleting pages in certain \"fast double move\" situations. MovePage::isValidMoveTarget() uses FOR UPDATE, but it's only called if Title::getArticleID() returns non-zero with no special flags. Next, MovePage::moveToInternal() will delete the page if getArticleID(READ_LATEST) is non-zero. Therefore, if the page is missing in the replica DB, isValidMove() will return true, and then moveToInternal() will unconditionally delete the page if it can be found in the master."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://phabricator.wikimedia.org/T272386", "refsource": "MISC", "url": "https://phabricator.wikimedia.org/T272386"}, {"name": "DSA-4889", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2021/dsa-4889"}, {"name": "FEDORA-2021-f4223b6684", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/"}, {"name": "FEDORA-2021-d298103d3a", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/"}, {"name": "[debian-lts-announce] 20210505 [SECURITY] [DLA 2648-1] mediawiki security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html"}, {"name": "[debian-lts-announce] 20210506 [SECURITY] [DLA 2648-2] mediawiki regression update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html"}, {"name": "GLSA-202107-40", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202107-40"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:24:59.632Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://phabricator.wikimedia.org/T272386"}, {"name": "DSA-4889", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2021/dsa-4889"}, {"name": "FEDORA-2021-f4223b6684", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/"}, {"name": "FEDORA-2021-d298103d3a", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/"}, {"name": "[debian-lts-announce] 20210505 [SECURITY] [DLA 2648-1] mediawiki security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html"}, {"name": "[debian-lts-announce] 20210506 [SECURITY] [DLA 2648-2] mediawiki regression update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html"}, {"name": "GLSA-202107-40", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202107-40"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-30159", "datePublished": "2021-04-09T06:12:55.000Z", "dateReserved": "2021-04-06T00:00:00.000Z", "dateUpdated": "2024-08-03T22:24:59.632Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "matchCriteriaId": "3291BAE5-6903-463D-9750-7D0B6FAD911A", "versionEndExcluding": "1.31.12", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "matchCriteriaId": "16A05863-89D9-435E-B92D-5FC6396C5B3D", "versionEndExcluding": "1.35.2", "versionStartIncluding": "1.32.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Users can bypass intended restrictions on deleting pages in certain \"fast double move\" situations. MovePage::isValidMoveTarget() uses FOR UPDATE, but it's only called if Title::getArticleID() returns non-zero with no special flags. Next, MovePage::moveToInternal() will delete the page if getArticleID(READ_LATEST) is non-zero. Therefore, if the page is missing in the replica DB, isValidMove() will return true, and then moveToInternal() will unconditionally delete the page if it can be found in the master."}, {"lang": "es", "value": "Se detect\u00f3 un problema en MediaWiki versiones anteriores a 1.31.12 y versiones 1.32.x hasta 1.35.x versiones anteriores a 1.35.2. Unos usuarios pueden omitir unas restricciones previstas sobre la eliminaci\u00f3n de p\u00e1ginas en determinadas situaciones de \"fast double move\". La funci\u00f3n MovePage::isValidMoveTarget() usa FOR UPDATE, pero solo es llamada si la funci\u00f3n Title::getArticleID() devuelve un valor distinto de cero sin indicadores especiales. A continuaci\u00f3n, MovePage::moveToInternal() eliminar\u00e1 la p\u00e1gina si getArticleID(READ_LATEST) no es cero. Por lo tanto, si la p\u00e1gina falta en la r\u00e9plica de la base de datos, la funci\u00f3n isValidMove() devolver\u00e1 verdadero, y luego moveToInternal() eliminar\u00e1 incondicionalmente la p\u00e1gina si se puede encontrar en el maestro"}], "id": "CVE-2021-30159", "lastModified": "2026-06-17T03:49:46.083", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-09T07:15:16.277", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://phabricator.wikimedia.org/T272386"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-40"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4889"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://phabricator.wikimedia.org/T272386"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-40"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4889"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "mediawiki: users can bypass intended restrictions on deleting pages in certain \"fast double move\" situations", "id": "1948638", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1948638"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-863", "details": ["An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Users can bypass intended restrictions on deleting pages in certain \"fast double move\" situations. MovePage::isValidMoveTarget() uses FOR UPDATE, but it's only called if Title::getArticleID() returns non-zero with no special flags. Next, MovePage::moveToInternal() will delete the page if getArticleID(READ_LATEST) is non-zero. Therefore, if the page is missing in the replica DB, isValidMove() will return true, and then moveToInternal() will unconditionally delete the page if it can be found in the master.", "In the mediawiki package, users can bypass intended restrictions on deleting pages in certain \"fast double move\" situations."], "name": "CVE-2021-30159", "package_state": [{"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Will not fix", "package_name": "mediawiki", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Out of support scope", "package_name": "mediawiki", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2021-04-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-30159\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-30159"], "statement": "The mediawiki package was removed from OpenShift Container Platform (OCP) in version 4.3, therefore for OCP 4 has been marked as out of support scope.", "threat_severity": "Moderate"}

{}