Meta FAIRChem NPZ parser allows RCE via untrusted data (ZDI-26-946)
Original title: ZDI-26-946: (0Day) Meta FAIRChem make_challenge_submission_file NPZ File Parsing Deserialization of Untrusted Data Remote Code Execution Vulnerability
ZDI rates the unpatched FAIRChem flaw 7.8; a user must open a malicious file or visit a malicious page.
Trend Micro's Zero Day Initiative published ZDI-26-946, a zero-day in Meta FAIRChem's make_challenge_submission_file NPZ file parsing. Deserialization of untrusted data can let a remote attacker run arbitrary code on an affected installation. Exploitation requires the target to visit a malicious page or open a malicious file. ZDI assigned CVSS 7.8. The notice does not name versions, a fix, or a CVE.
Unconfirmed: The advisory does not confirm in-the-wild exploitation, affected versions, or a vendor fix.
- The flaw is in make_challenge_submission_file NPZ parsing.
- ZDI labels it a zero-day and scores it CVSS 7.8.
- User interaction is required to trigger code execution.
- No affected versions, patch, or CVE are stated.
Impact: Remote arbitrary code execution after user interaction
| Product | Affected |
|---|---|
| Meta FAIRChem | — |
- 1.Do not open untrusted NPZ files or visit untrusted pages in FAIRChem workflows.
- Vendors
- Meta
- Products
- FAIRChem
- Organizations
- Zero Day Initiative
From the original article
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Meta FAIRChem. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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