CVE-2021-32798Critical· 10.0▾ MidnightSpecial Element Injection in notebook
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 55 · likelihood 0.4 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
2.1%
Untrusted notebook can execute code on load. This is a remote code execution, but requires user action to open a notebook.
5.7.11, 6.4.1
OWASP Page on Injection Prevention
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Credit: Guillaume Jeanne from Google
A notebook with the following content in a cell and it would display an alert when opened for the first time in Notebook (in an untrusted state):
{ "cell_type": "code", "execution_count": 0, "metadata": {}, "outputs": [ { "data": { "text/html": [ "<select><iframe></select><img src=x: onerror=alert('xss')>\n"], "text/plain": [] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "" ] }
notebook < 5.7.11notebook >= 6.0.0, < 6.4.1Upgrade to a patched release:
notebook 5.7.11notebook 6.4.1Connected by shared product, vendor, weakness, or advisory.