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{"acknowledgement": "Red Hat would like to thank the Quagga project for reporting this issue.", "bugzilla": {"description": "quagga: Infinite loop issue triggered by invalid OPEN message allows denial-of-service", "id": "1542992", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1542992"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-228->CWE-835", "details": ["The Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of \"Capabilities\" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI, causing a denial of service.", "An infinite loop vulnerability was discovered in Quagga. A BGP peer could send specially crafted packets that would cause the daemon to enter an infinite loop, denying service and consuming CPU until it is restarted."], "name": "CVE-2018-5381", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "quagga", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "quagga", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "quagga", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "quagga", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2018-02-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-5381\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-5381\nhttps://www.quagga.net/security/Quagga-2018-1975.txt"], "threat_severity": "Moderate", "upstream_fix": "quagga 1.2.3"}