gsd-2021-37860
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-37860", "description": "Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.", "id": "GSD-2021-37860", "references": [ "https://security.archlinux.org/CVE-2021-37860" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-37860" ], "details": "Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.", "id": "GSD-2021-37860", "modified": "2023-12-13T01:23:09.731292Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "responsibledisclosure@mattermost.com", "ID": "CVE-2021-37860", "STATE": "PUBLIC", "TITLE": "" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Mattermost ", "version": { "version_data": [ { "version_affected": "\u003c=", "version_value": "5.38" } ] } } ] }, "vendor_name": "Mattermost " } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)" } ] } ] }, "references": { "reference_data": [ { "name": "https://mattermost.com/security-updates/", "refsource": "MISC", "url": "https://mattermost.com/security-updates/" } ] }, "source": { "advisory": "MMSA-2021-0069", "defect": [ "https://mattermost.atlassian.net/browse/MM-38293" ], "discovery": "EXTERNAL" } }, "gitlab.com": { "advisories": [ { "affected_range": "\u003c5.39", "affected_versions": "All versions before 5.39", "cvss_v2": "AV:N/AC:H/Au:N/C:N/I:P/A:N", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "cwe_ids": [ "CWE-1035", "CWE-79", "CWE-937" ], "date": "2021-10-06", "description": "Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.", "fixed_versions": [ "5.39" ], "identifier": "CVE-2021-37860", "identifiers": [ "GHSA-hv5f-73mr-7vvj", "CVE-2021-37860" ], "not_impacted": "All versions starting from 5.39", "package_slug": "go/github.com/mattermost/mattermost-server/v5", "pubdate": "2021-09-23", "solution": "Upgrade to version 5.39 or above.", "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)", "urls": [ "https://nvd.nist.gov/vuln/detail/CVE-2021-37860", "https://github.com/advisories/GHSA-hv5f-73mr-7vvj" ], "uuid": "71ee7b90-7435-4b9f-bd40-f2c4eb489472" } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "5.38", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "responsibledisclosure@mattermost.com", "ID": "CVE-2021-37860" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-79" } ] } ] }, "references": { "reference_data": [ { "name": "https://mattermost.com/security-updates/", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://mattermost.com/security-updates/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.6, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N", "version": "2.0" }, "exploitabilityScore": 4.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "LOW", "userInteractionRequired": true }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1" }, "exploitabilityScore": 2.8, "impactScore": 2.7 } }, "lastModifiedDate": "2021-10-05T17:30Z", "publishedDate": "2021-09-22T17:15Z" } } }
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Sightings
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Nomenclature
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.