gsd-2020-35480
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don't exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-35480",
"description": "An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don\u0027t exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths.",
"id": "GSD-2020-35480",
"references": [
"https://www.debian.org/security/2020/dsa-4816",
"https://advisories.mageia.org/CVE-2020-35480.html",
"https://security.archlinux.org/CVE-2020-35480"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-35480"
],
"details": "An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don\u0027t exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths.",
"id": "GSD-2020-35480",
"modified": "2023-12-13T01:22:00.669502Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2020-35480",
"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 1.35.1. Missing users (accounts that don\u0027t exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://phabricator.wikimedia.org/T120883",
"refsource": "MISC",
"url": "https://phabricator.wikimedia.org/T120883"
},
{
"name": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html",
"refsource": "MISC",
"url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
},
{
"name": "DSA-4816",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2020/dsa-4816"
},
{
"name": "[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html"
},
{
"name": "FEDORA-2020-0be2d40e13",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "1.35.1",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2020-35480"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don\u0027t exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-203"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html",
"refsource": "MISC",
"tags": [
"Mailing List",
"Release Notes",
"Vendor Advisory"
],
"url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
},
{
"name": "https://phabricator.wikimedia.org/T120883",
"refsource": "MISC",
"tags": [
"Permissions Required"
],
"url": "https://phabricator.wikimedia.org/T120883"
},
{
"name": "DSA-4816",
"refsource": "DEBIAN",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2020/dsa-4816"
},
{
"name": "[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html"
},
{
"name": "FEDORA-2020-0be2d40e13",
"refsource": "FEDORA",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
},
"lastModifiedDate": "2022-04-08T14:21Z",
"publishedDate": "2020-12-18T08:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.