{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-42804", "ASSIGNER": "security-advisories@github.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.1 has a path traversal vulnerability that allows an attacker with a valid starting folder path, to traverse and read other files without authentication, assuming the files have certain extensions (txt, swf, svg, png). In version 2.6.0-beta.1, input validation was added on the parameters being passed and dangerous characters are stripped. There are no known workarounds." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "cweId": "CWE-22" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "bigbluebutton", "product": { "product_data": [ { "product_name": "bigbluebutton", "version": { "version_data": [ { "version_affected": "=", "version_value": "< 2.6.0-beta.1" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3qjg-229m-vq84", "refsource": "MISC", "name": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3qjg-229m-vq84" }, { "url": "https://github.com/bigbluebutton/bigbluebutton/pull/15960", "refsource": "MISC", "name": "https://github.com/bigbluebutton/bigbluebutton/pull/15960" } ] }, "source": { "advisory": "GHSA-3qjg-229m-vq84", "discovery": "UNKNOWN" }, "impact": { "cvss": [ { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" } ] } }