Meta fairseq CtcCriterion YAML parsing allows code injection
Original title: ZDI-26-932: (0Day) Meta fairseq CtcCriterion YAML File Parsing Code Injection Remote Code Execution Vulnerability
ZDI-26-932 carries a 7.8 score and requires opening a malicious file; no CVE or fixed version is listed.
ZDI published ZDI-26-932, a zero-day in Meta fairseq CtcCriterion YAML file parsing. Remote attackers can execute arbitrary code when a user opens a malicious file. ZDI assigned CVSS 7.8. The snippet does not name versions, a fix, or a CVE.
Unconfirmed: The snippet does not confirm in-the-wild exploitation or whether a patch exists.
- Advisory ID is ZDI-26-932 and the title marks it a zero-day.
- The issue is YAML file parsing code injection in CtcCriterion.
- Exploitation depends on the target opening 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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