Meta fairseq FConvLanguageModel YAML parsing allows code injection
Original title: ZDI-26-934: (0Day) Meta fairseq FConvLanguageModel YAML File Parsing Code Injection Remote Code Execution Vulnerability
ZDI-26-934 rates the unpatched flaw 7.8; the victim must open a malicious file, and no CVE or fixed version is given.
ZDI published ZDI-26-934, a zero-day in Meta fairseq FConvLanguageModel YAML file parsing. Remote attackers can inject code and execute arbitrary code if a user opens a malicious file. ZDI assigned CVSS 7.8. The snippet names no affected versions, fix, or CVE.
Unconfirmed: The snippet does not confirm in-the-wild exploitation or whether a patch exists.
- Advisory ID is ZDI-26-934 and the title marks it a zero-day.
- The issue is YAML file parsing code injection in FConvLanguageModel.
- Exploitation requires the target to open a malicious file.
- ZDI assigned a CVSS rating of 7.8.
Impact: Arbitrary code execution after opening a malicious file
| Product | Affected |
|---|---|
| Meta fairseq | — |
- 1.Do not open untrusted YAML files in Meta fairseq.
- ATT&CK
- T1204.002 Malicious File
- Vendors
- Meta
- Products
- fairseq
- Organizations
- Zero Day Initiative
From the original article
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Meta fairseq. User interaction is required to exploit this vulnerability in that the target must open a malicious file. The ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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