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{"bugzilla": {"description": "nodejs-vega: Cross-site scripting in visualization type", "id": "1927486", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1927486"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-79", "details": ["Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. Vega in an npm package. In Vega before version 5.17.3 there is an XSS vulnerability in Vega expressions. Through a specially crafted Vega expression, an attacker could execute arbitrary javascript on a victim's machine. This is fixed in version 5.17.3", "A flaw was found in nodejs-vega. An attacker, using a specially crafted Vega expression, could execute a cross-side scripting attack on a victim's machine allowing them to execute arbitrary JavaScript. The highest threat from this vulnerability is to data confidentiality and integrity."], "mitigation": {"lang": "en:us", "value": "For Kibana which does contain the dependency vega, it is possible to turn of vega visualizations with `vega.enabled: false` in the kibana.yml"}, "name": "CVE-2020-26296", "package_state": [{"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Not affected", "impact": "moderate", "package_name": "kibana", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "impact": "moderate", "package_name": "kibana", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "impact": "moderate", "package_name": "openshift4/ose-logging-kibana6", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2020-12-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-26296\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-26296\nhttps://discuss.elastic.co/t/elastic-stack-7-11-0-and-6-8-14-security-update/263915\nhttps://github.com/advisories/GHSA-r2qc-w64x-6j54"], "statement": "In OpenShift Container Platform 4 (OCP) the openshift4/ose-logging-kibana6 container does package a vulnerable version of the vega library. However, for an attacker to successfully perform a reflected XSS attack an existing visualization must already exist and the details known to the attacker, as the visualization ID must be referenced. Given this and to perform a stored XSS attack higher privileges are required, the impact has been set to Moderate.", "threat_severity": "Important", "upstream_fix": "@elastic/vega-lib 3.3.1-kibana, nodejs-vega 5.17.3"}