CVE-2020-23793

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{"bugzilla": {"description": "spice: Improper input validation in function async_READ_handler", "id": "2234984", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2234984"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-20", "details": ["An issue was discovered in spice-server spice-server-0.14.0-6.el7_6.1.x86_64 of Redhat's VDI product. There is a security vulnerablility that can restart KVMvirtual machine without any authorization. It is not yet known if there will be other other effects.", "A flaw was found in spice-server in Redhat's VDI product that can restart KVMvirtual machine without any authorization. A handshake is required before spice-server and spice-client can establish communication, and spice-client will send a request containing information that the server needs. This TCP request requires only host and port; A malformed TCP packet causes the vm to crash and the QEMu-KVM process to be restarted."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2020-23793", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "spice-server", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "spice", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "spice", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2023-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-23793\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-23793\nhttps://github.com/zelat/spice-security-issues"], "threat_severity": "Moderate"}

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