CVE-2012-4382

View on CVE.org

Published Oct 19, 2017 CVSS 3.0 · 4.9 Medium EPSS 1.2% KEV · Not listed

Description

MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki:1.19.0:::::::*
	cpe:2.3:a:mediawiki:mediawiki:1.19.1:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2012-4325	MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.2% (1.201% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2012/08/31/10
http://www.openwall.com/lists/oss-security/2012/08/31/6
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
https://phabricator.wikimedia.org/T41823

History

No history.

Subscriptions

Mediawiki Mediawiki

Weaknesses

CWE-200

Sources

CVE record Updated: Aug 6, 2024, 8:35 PM

Status: PUBLISHED
Assigner: redhat
Published: Oct 19, 2017, 9:00 PM
Updated: Aug 6, 2024, 8:35 PM
Reserved: Aug 21, 2012, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:44 PM

Status: Modified
Published: Oct 19, 2017, 9:29 PM
Modified: Jun 16, 2026, 11:44 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2012-08-31T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-10-19T20:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[oss-security] 20120831 CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2012/08/31/6"}, {"name": "[MediaWiki-announce] 20120831 MediaWiki security release: 1.19.2 and 1.18.5", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://phabricator.wikimedia.org/T41823"}, {"name": "[oss-security] 20120831 Re: CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2012/08/31/10"}, {"tags": ["x_refsource_MISC"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2012-4382", "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": "MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20120831 CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2012/08/31/6"}, {"name": "[MediaWiki-announce] 20120831 MediaWiki security release: 1.19.2 and 1.18.5", "refsource": "MLIST", "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html"}, {"name": "https://phabricator.wikimedia.org/T41823", "refsource": "CONFIRM", "url": "https://phabricator.wikimedia.org/T41823"}, {"name": "[oss-security] 20120831 Re: CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2012/08/31/10"}, {"name": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330", "refsource": "MISC", "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T20:35:08.977Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20120831 CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2012/08/31/6"}, {"name": "[MediaWiki-announce] 20120831 MediaWiki security release: 1.19.2 and 1.18.5", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://phabricator.wikimedia.org/T41823"}, {"name": "[oss-security] 20120831 Re: CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2012/08/31/10"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-4382", "datePublished": "2017-10-19T21:00:00.000Z", "dateReserved": "2012-08-21T00:00:00.000Z", "dateUpdated": "2024-08-06T20:35:08.977Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "matchCriteriaId": "B03517F3-5555-4DCF-A5BD-15B2AF03C970", "versionEndIncluding": "1.18.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:*", "matchCriteriaId": "A7C29D44-2964-483F-B672-27B5CE471DA6", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:*", "matchCriteriaId": "172FEFE5-9900-49D0-9E14-2FA4A7912D23", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt."}, {"lang": "es", "value": "MediaWiki, en versiones anteriores a la 1.18.5 y versiones 1.19.x anteriores a la 1.19.2, no protege correctamente los metadatos del bloqueo de usuario, lo que permite que administradores remotos lean una raz\u00f3n de bloqueo de usuario mediante un intento de rebloqueo."}], "id": "CVE-2012-4382", "lastModified": "2026-06-16T23:44:54.780", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-10-19T21:29:00.283", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2012/08/31/10"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2012/08/31/6"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://phabricator.wikimedia.org/T41823"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2012/08/31/10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2012/08/31/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://phabricator.wikimedia.org/T41823"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}