Meta fairseq YAML parsing flaw allows code execution (ZDI-26-919)
Original title: ZDI-26-919: (0Day) Meta fairseq FairseqAdafactor YAML File Parsing Code Injection Remote Code Execution Vulnerability
ZDI rates the FairseqAdafactor zero-day 7.8; the user must open a malicious file.
The Zero Day Initiative published ZDI-26-919, a zero-day in Meta fairseq. Parsing a YAML file in FairseqAdafactor can inject code and let a remote attacker execute arbitrary code if the user opens a malicious file. No versions, patch, or CVE appear in the advisory.
Unconfirmed: Affected versions, a vendor patch, a CVE, and real-world exploitation are not stated.
- ZDI assigned CVSS 7.8 to ZDI-26-919.
- The issue is YAML file parsing code injection in FairseqAdafactor.
- The target must open a malicious file.
- No fixed version is stated.
Impact: Remote arbitrary code execution after opening a file
| Product | Affected |
|---|---|
| Meta fairseq | — |
- 1.Do not open untrusted YAML files with fairseq 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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