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{"acknowledgement": "Red Hat would like to thank Angelos Beitis (KU Leuven University) and Mathy Vanhoef (KU Leuven University) for reporting this issue.", "bugzilla": {"description": "networkmanager: UDP encapsulation protocol excessive trust", "id": "2317264", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2317264"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-348", "details": ["Proposed Generic UDP Encapsulation (GUE) (IETF Draft) do not validate or verify the source of a network packet allowing an attacker to spoof and route arbitrary traffic via an exposed network interface that can lead to spoofing, access control bypass, and other unexpected network behaviors.\nThis can be considered similar to CVE-2020-10136.", "An insecure configuration flaw was found in the Generic UDP Encapsulation Protocol. When configured to not require authentication or filtering, this issue could allow a remote unauthenticated attacker to spoof packets or bypass access controls."], "mitigation": {"lang": "en:us", "value": "See references section for detailed guidance."}, "name": "CVE-2024-7596", "public_date": "2025-01-14T12:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-7596\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-7596\nhttps://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/configuring_and_managing_networking/configuring-ip-tunnels_configuring-and-managing-networking\nhttps://kb.cert.org/vuls/id/199397\nhttps://papers.mathyvanhoef.com/usenix2025-tunnels.pdf"], "statement": "This vulnerability is rated as Low impact as it requires a known higher risk configuration. Multiple layers of defaults (packet forwarding and these specific protocols) are disabled by default. Red Hat provides guidance in documentation (linked in references section) on how to configure the system in a more secure manner, which avoids the risk of this vulnerability.", "threat_severity": "Low"}