CVE-2024-39721: ollama — Exploit

Description

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).

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-404 CWE-404

Affected Products

Vendor	Product	Versions
ollama	ollama	< 0.1.34

References

Exploits

https://www.oligo.security/blog/more-models-more-probllms

Other References

https://github.com/ollama/ollama/blob/9164b0161bcb24e543cba835a8863b80af2c0c21/server/routes.go#L557 https://github.com/ollama/ollama/blob/adeb40eaf29039b8964425f69a9315f9f1694ba8/server/routes.go#L536

Frequently Asked Questions

What is 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). It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-39721? +

CVE-2024-39721 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-39721? +

CVE-2024-39721 affects products from ollama, specifically: ollama. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-39721? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-39721