[Description] svm_predict_values in svm.cpp in Libsvm v324, as used in scikit-learn 0.23.2 and other products, allows attackers to cause a denial of service (segmentation fault) via a crafted model SVM (introduced via pickle, json, or any other model permanence technique) with a large value in the _n_support array.
[CVE ID] CVE-2020-28975 [Vendor of Product] SciKit-Learn [Affected Product Code Base] scikit-learn - 0.23.2 [Affected Component] LibSVM [Attack Type] Local [Impact] Denial of Service [Attack Vectors] specially crafted file [Reference] https://github.com/scikit-learn/scikit-learn/issues/18891 <https://github.com/scikit-learn/scikit-learn/issues/18891> https://github.com/cjlin1/libsvm/blob/9a3a9708926dec87d382c43b203f2ca19c2d56a0/svm.cpp#L2501 <https://github.com/cjlin1/libsvm/blob/9a3a9708926dec87d382c43b203f2ca19c2d56a0/svm.cpp#L2501> [Discoverer] pabloec20 _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
