ZDI-26-919: (0Day) Meta fairseq FairseqAdafactor YAML File Parsing Code Injection Remote Code Execution Vulnerability
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 7.8.
Event History
Frequently Asked Questions
What must an attacker do to exploit this issue?
An attacker must get the target to open a malicious YAML file. Exploitation requires user interaction; the available information does not indicate that merely receiving or storing the file is sufficient.
Who is exposed to this vulnerability?
Installations of Meta fairseq that process a malicious YAML file through FairseqAdafactor are exposed. The vulnerability allows remote attackers to execute arbitrary code when the target opens the crafted file.
How severe is the issue?
ZDI assigned a CVSS rating of 7.8, and the listed risk score is 71. Successful exploitation results in arbitrary code execution.