CVE-2024-39721

An issue was discovered in Ollama before 0.1.34. The CreateModelHandler function uses os.Open to read a file until completion. The req.Path parameter is user-controlled and can be set to /dev/random, which is blocking, causing the goroutine to run infinitely (even after the HTTP request is aborted by the client).

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-404

Threats tracking this CVE

• LLMJacking: 175,000 Exposed Ollama AI Servers Targeted for Abuse — HIGH

References

• https://github.com/ollama/ollama/blob/9164b0161bcb24e543cba835a8863b80af2c0c21/server/routes.go#L557
• https://github.com/ollama/ollama/blob/adeb40eaf29039b8964425f69a9315f9f1694ba8/server/routes.go#L536
• https://www.oligo.security/blog/more-models-more-probllms

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