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{"bugzilla": {"description": "python-urllib3: inefficient algorithm allows a DoS (CPU consumption) in _encode_invalid_chars function in util/url.py", "id": "1812095", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1812095"}, "csaw": false, "cvss3": {"cvss3_base_score": "0.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "status": "draft"}, "cwe": "CWE-400", "details": ["The _encode_invalid_chars function in util/url.py in the urllib3 library 1.25.2 through 1.25.7 for Python allows a denial of service (CPU consumption) because of an inefficient algorithm. The percent_encodings array contains all matches of percent encodings. It is not deduplicated. For a URL of length N, the size of percent_encodings may be up to O(N). The next step (normalize existing percent-encoded bytes) also takes up to O(N) for each step, so the total time is O(N^2). If percent_encodings were deduplicated, the time to compute _encode_invalid_chars would be O(kN), where k is at most 484 ((10+6*2)^2)."], "name": "CVE-2020-7212", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:15", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat OpenStack Platform 15 (Stein)"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-mongodb36-python-urllib3", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-python38-python-urllib3", "product_name": "Red Hat Software Collections"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "python-urllib3", "product_name": "Red Hat Storage 3"}], "public_date": "2020-03-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-7212\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-7212\nhttps://bugzilla.novell.com/show_bug.cgi?id=1166069\nhttps://pypi.org/project/urllib3/1.25.8/"], "statement": "Red Hat Product Security does not consider this to be a vulnerability. The choice of an inefficient algorithm could cause a little more CPU time to be used than the alternative, however the difference in practice is not sufficient to cause a meaningful or even noticeable impact on the application.", "upstream_fix": "urllib3 1.25.8"}