{"api_version":"1","generated_at":"2026-07-23T08:52:56+00:00","cve":"CVE-2009-0780","urls":{"html":"https://cve.report/CVE-2009-0780","api":"https://cve.report/api/cve/CVE-2009-0780.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2009-0780","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-0780"},"summary":{"title":"CVE-2009-0780","description":"The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path.","state":"PUBLISHED","assigner":"mitre","published_at":"2009-03-04 11:30:00","updated_at":"2026-04-23 00:35:47"},"problem_types":["NVD-CWE-Other","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5","severity":"","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"}}],"references":[{"url":"http://secunia.com/advisories/33975","name":"http://secunia.com/advisories/33975","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"OpenBSD bgpd Long AS Path Denial of Service Vulnerability - Secunia Advisories - Vulnerability Information - Secunia.com","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://osvdb.org/52271","name":"http://osvdb.org/52271","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"0"},{"url":"http://www.securityfocus.com/bid/33828","name":"http://www.securityfocus.com/bid/33828","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"OpenBSD bgpd Remote Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://openbsd.org/errata43.html#010_bgpd","name":"http://openbsd.org/errata43.html#010_bgpd","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"OpenBSD 4.3 errata","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://openbsd.org/errata44.html#010_bgpd","name":"http://openbsd.org/errata44.html#010_bgpd","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"OpenBSD 4.4 errata","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id?1021736","name":"http://www.securitytracker.com/id?1021736","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"SecurityTracker.com Archives - OpenBSD bgpd Autonomous System Path Processing Flaw Lets Remote Users Deny Service","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/48812","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/48812","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-0780","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0780","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2009","cve_id":"780","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"openbsd","cpe5":"openbsd","cpe6":"4.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"780","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"openbsd","cpe5":"openbsd","cpe6":"4.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T04:48:52.183Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"52271","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"],"url":"http://osvdb.org/52271"},{"name":"33828","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/33828"},{"name":"[4.4] 010: RELIABILITY FIX: February 18, 2009","tags":["vendor-advisory","x_refsource_OPENBSD","x_transferred"],"url":"http://openbsd.org/errata44.html#010_bgpd"},{"name":"1021736","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id?1021736"},{"name":"[4.3] 010: RELIABILITY FIX: February 18, 2009","tags":["vendor-advisory","x_refsource_OPENBSD","x_transferred"],"url":"http://openbsd.org/errata43.html#010_bgpd"},{"name":"33975","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/33975"},{"name":"openbsd-aspathprepend-dos(48812)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/48812"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2009-02-18T00:00:00.000Z","descriptions":[{"lang":"en","value":"The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-08-16T14:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"52271","tags":["vdb-entry","x_refsource_OSVDB"],"url":"http://osvdb.org/52271"},{"name":"33828","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/33828"},{"name":"[4.4] 010: RELIABILITY FIX: February 18, 2009","tags":["vendor-advisory","x_refsource_OPENBSD"],"url":"http://openbsd.org/errata44.html#010_bgpd"},{"name":"1021736","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id?1021736"},{"name":"[4.3] 010: RELIABILITY FIX: February 18, 2009","tags":["vendor-advisory","x_refsource_OPENBSD"],"url":"http://openbsd.org/errata43.html#010_bgpd"},{"name":"33975","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/33975"},{"name":"openbsd-aspathprepend-dos(48812)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/48812"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2009-0780","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"52271","refsource":"OSVDB","url":"http://osvdb.org/52271"},{"name":"33828","refsource":"BID","url":"http://www.securityfocus.com/bid/33828"},{"name":"[4.4] 010: RELIABILITY FIX: February 18, 2009","refsource":"OPENBSD","url":"http://openbsd.org/errata44.html#010_bgpd"},{"name":"1021736","refsource":"SECTRACK","url":"http://www.securitytracker.com/id?1021736"},{"name":"[4.3] 010: RELIABILITY FIX: February 18, 2009","refsource":"OPENBSD","url":"http://openbsd.org/errata43.html#010_bgpd"},{"name":"33975","refsource":"SECUNIA","url":"http://secunia.com/advisories/33975"},{"name":"openbsd-aspathprepend-dos(48812)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/48812"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2009-0780","datePublished":"2009-03-04T11:00:00.000Z","dateReserved":"2009-03-04T00:00:00.000Z","dateUpdated":"2024-08-07T04:48:52.183Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2009-03-04 11:30:00","lastModifiedDate":"2026-04-23 00:35:47","problem_types":["NVD-CWE-Other","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:openbsd:openbsd:4.3:*:*:*:*:*:*:*","matchCriteriaId":"F12313A0-1EAF-4652-9AB1-799171CFFEA9"},{"vulnerable":true,"criteria":"cpe:2.3:o:openbsd:openbsd:4.4:*:*:*:*:*:*:*","matchCriteriaId":"89CA041B-4153-43C7-BA69-D6052F4EBEEB"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2009","CveId":"780","Ordinal":"1","Title":"CVE-2009-0780","CVE":"CVE-2009-0780","Year":"2009"},"notes":[{"CveYear":"2009","CveId":"780","Ordinal":"1","NoteData":"The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path.","Type":"Description","Title":"CVE-2009-0780"},{"CveYear":"2009","CveId":"780","Ordinal":"2","NoteData":"2009-03-04","Type":"Other","Title":"Published"},{"CveYear":"2009","CveId":"780","Ordinal":"3","NoteData":"2017-08-16","Type":"Other","Title":"Modified"}]}}}