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remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability)."}, {"lang": "es", "value": "La implementaci\u00f3n de BGP en bgpd en Quagga antes v0.99.20.1 no utiliza adecuadamente los b\u00faferes de mensajes para los mensajes marcados como OPEN, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (error de aserci\u00f3n y salida del demonio) a trav\u00e9s de un mensaje asociado con un ASN de cuatro octetos mal formado(tambi\u00e9n conocido como funcionalidad AS4)."}], "id": "CVE-2012-0255", "lastModified": "2018-01-18T02:29:02.897", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": 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{"acknowledgement": "Red Hat would like to thank CERT/CC for reporting this issue.", "affected_release": [{"advisory": "RHSA-2012:1259", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "quagga-0:0.99.15-7.el6_3.2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-09-12T00:00:00Z"}], "bugzilla": {"description": "(bgpd): Assertion failure by processing malformed AS4 capability in BGP OPEN message", "id": "802781", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=802781"}, "csaw": false, "cvss": {"cvss_base_score": "2.9", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability)."], "name": "CVE-2012-0255", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "quagga", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2012-03-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-0255\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-0255"], "threat_severity": "Low", "upstream_fix": "quagga 0.99.20.1"}