{
"id": "GHSA-v9w2-v7j9-rjpr",
"aliases": [
"CVE-2021-34435"
],
"details": "In Eclipse Theia 0.3.9 to 1.8.1, the \"mini-browser\" extension allows a user to preview HTML files in an iframe inside the IDE. But with the way it is made it is possible for a previewed HTML file to trigger an RCE. This exploit only happens if a user previews a malicious file.",
"summary": "Remote code execution in Eclipse Theia",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0.3.9"
},
{
"fixed": "1.9.0"
}
]
}
],
"package": {
"name": "@theia/mini-browser",
"ecosystem": "npm"
}
}
],
"modified": "2021-09-13T20:27:30Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"published": "2021-09-02T22:02:36Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34435",
"type": "ADVISORY"
},
{
"url": "https://github.com/eclipse-theia/theia/pull/8759",
"type": "WEB"
},
{
"url": "https://github.com/eclipse-theia/theia/commit/0761dcf5fe3c14c27432683d42d2c526ad0cfbd5",
"type": "WEB"
},
{
"url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=568018",
"type": "WEB"
},
{
"url": "https://github.com/eclipse-theia/theia",
"type": "PACKAGE"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-346",
"CWE-668",
"CWE-942"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2021-09-01T18:15:00Z",
"github_reviewed_at": "2021-09-02T17:12:13Z"
}
}