Meta fairseq LightConvLanguageModel YAML parsing flaw enables RCE (ZDI-26-930)
Original title: ZDI-26-930: (0Day) Meta fairseq LightConvLanguageModel YAML File Parsing Code Injection Remote Code Execution Vulnerability
ZDI rates the unpatched flaw 7.8; a user must open a malicious file before code runs.
Trend Micro's Zero Day Initiative published ZDI-26-930, an unpatched code-injection flaw in Meta fairseq's LightConvLanguageModel YAML file parsing. Remote attackers can run arbitrary code if a user opens a malicious file. ZDI assigned CVSS 7.8. The snippet does not name affected versions, a fix, or a CVE.
Unconfirmed: The notice does not say whether attackers are exploiting the flaw or whether a patch exists.
- Advisory id is ZDI-26-930 and is labeled a 0-day.
- Exploitation requires the target to open a malicious file.
- ZDI CVSS score is 7.8.
- No fixed version or CVE id appears in the notice.
Impact: arbitrary code execution after opening a malicious file
| Product | Affected |
|---|---|
| Meta fairseq LightConvLanguageModel | — |
- 1.Do not open untrusted fairseq YAML files until a fix is available.
- 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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