CVE-2024-39720

An issue was discovered in Ollama before 0.1.46. An attacker can use two HTTP requests to upload a malformed GGUF file containing just 4 bytes starting with the GGUF custom magic header. By leveraging a custom Modelfile that includes a FROM statement pointing to the attacker-controlled blob file, the attacker can crash the application through the CreateModel route, leading to a segmentation fault (signal SIGSEGV: segmentation violation).

CVSS v4.0 GitHub

8.8 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS v3.1 CNA

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

EPSS

2.44% chance of exploitation in the next 30 days, 84th percentile

Published

2024-10-31

Updated

2024-11-01

Proof-of-concept exploits (1)

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

Security advisories

• advisories/GHSA-95j2-w8x7-hm88
• ollama/ollama/compare/v0.1.45...v0.1.46#diff-782c2737eecfa83b7cb46a77c8bdaf40023e7067bacc…

References

• CVE Record
• NVD entry