{"api_version":"1","generated_at":"2026-04-22T23:29:02+00:00","cve":"CVE-2013-4256","urls":{"html":"https://cve.report/CVE-2013-4256","api":"https://cve.report/api/cve/CVE-2013-4256.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2013-4256","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-4256"},"summary":{"title":"CVE-2013-4256","description":"Multiple stack-based and heap-based buffer overflows in Network Audio System (NAS) 1.9.3 allow local users to cause a denial of service (crash) or possibly execute arbitrary code via the (1) display command argument to the ProcessCommandLine function in server/os/utils.c; (2) ResetHosts function in server/os/access.c; (3) open_unix_socket, (4) open_isc_local, (5) open_xsight_local, (6) open_att_local, or (7) open_att_svr4_local function in server/os/connection.c; the (8) AUDIOHOST environment variable to the CreateWellKnownSockets or (9) AmoebaTCPConnectorThread function in server/os/connection.c; or (10) unspecified vectors related to logging in the osLogMsg function in server/os/aulog.c.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2013-10-09 14:54:00","updated_at":"2016-12-31 02:59:00"},"problem_types":["CWE-119"],"metrics":[],"references":[{"url":"http://sourceforge.net/p/nas/code/288","name":"http://sourceforge.net/p/nas/code/288","refsource":"CONFIRM","tags":["Exploit","Patch"],"title":"Page not found\n    - SourceForge.net","mime":"text/html","httpstatus":"404","archivestatus":"404"},{"url":"http://www.openwall.com/lists/oss-security/2013/08/19/3","name":"[oss-security] 20130819 Re: CVE Request : NAS v1.9.3 multiple Vulnerabilites","refsource":"MLIST","tags":["Patch"],"title":"oss-security - Re: CVE Request : NAS v1.9.3 multiple Vulnerabilites","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.openwall.com/lists/oss-security/2013/08/16/2","name":"[oss-security] 20130816 CVE Request : NAS v1.9.3 multiple Vulnerabilites","refsource":"MLIST","tags":["Patch"],"title":"oss-security - CVE Request : NAS v1.9.3 multiple Vulnerabilites","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/61848","name":"61848","refsource":"BID","tags":[],"title":"Network Audio System CVE-2013-4256 Multiple Buffer Overflow Vulnerabilities","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://radscan.com/pipermail/nas/2013-August/001270.html","name":"[nas] 20130807 nas: Multiple Vulnerabilities in nas 1.9.3","refsource":"MLIST","tags":["Exploit"],"title":"[nas] nas: Multiple Vulnerabilities in nas 1.9.3","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.ubuntu.com/usn/USN-1986-1","name":"USN-1986-1","refsource":"UBUNTU","tags":["Vendor Advisory"],"title":"USN-1986-1: Network Audio System (NAS) vulnerabilities | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.debian.org/security/2013/dsa-2771","name":"DSA-2771","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-2771-1 nas","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4256","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4256","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2013","cve_id":"4256","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.04","cpe7":"-","cpe8":"lts","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4256","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4256","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"13.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4256","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.04","cpe7":"-","cpe8":"lts","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4256","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4256","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"13.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4256","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"radscan","cpe5":"network_audio_system","cpe6":"1.9.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4256","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"radscan","cpe5":"network_audio_system","cpe6":"1.9.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2013-4256","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"Multiple stack-based and heap-based buffer overflows in Network Audio System (NAS) 1.9.3 allow local users to cause a denial of service (crash) or possibly execute arbitrary code via the (1) display command argument to the ProcessCommandLine function in server/os/utils.c; (2) ResetHosts function in server/os/access.c; (3) open_unix_socket, (4) open_isc_local, (5) open_xsight_local, (6) open_att_local, or (7) open_att_svr4_local function in server/os/connection.c; the (8) AUDIOHOST environment variable to the CreateWellKnownSockets or (9) AmoebaTCPConnectorThread function in server/os/connection.c; or (10) unspecified vectors related to logging in the osLogMsg function in server/os/aulog.c."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_affected":"=","version_value":"n/a"}]}}]}}]}},"references":{"reference_data":[{"url":"http://radscan.com/pipermail/nas/2013-August/001270.html","refsource":"MISC","name":"http://radscan.com/pipermail/nas/2013-August/001270.html"},{"url":"http://sourceforge.net/p/nas/code/288","refsource":"MISC","name":"http://sourceforge.net/p/nas/code/288"},{"url":"http://www.debian.org/security/2013/dsa-2771","refsource":"MISC","name":"http://www.debian.org/security/2013/dsa-2771"},{"url":"http://www.openwall.com/lists/oss-security/2013/08/16/2","refsource":"MISC","name":"http://www.openwall.com/lists/oss-security/2013/08/16/2"},{"url":"http://www.openwall.com/lists/oss-security/2013/08/19/3","refsource":"MISC","name":"http://www.openwall.com/lists/oss-security/2013/08/19/3"},{"url":"http://www.securityfocus.com/bid/61848","refsource":"MISC","name":"http://www.securityfocus.com/bid/61848"},{"url":"http://www.ubuntu.com/usn/USN-1986-1","refsource":"MISC","name":"http://www.ubuntu.com/usn/USN-1986-1"}]}},"nvd":{"publishedDate":"2013-10-09 14:54:00","lastModifiedDate":"2016-12-31 02:59:00","problem_types":["CWE-119"],"metrics":{"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":4.6},"severity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:radscan:network_audio_system:1.9.3:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2013","CveId":"4256","Ordinal":"63915","Title":"CVE-2013-4256","CVE":"CVE-2013-4256","Year":"2013"},"notes":[{"CveYear":"2013","CveId":"4256","Ordinal":"1","NoteData":"Multiple stack-based and heap-based buffer overflows in Network Audio System (NAS) 1.9.3 allow local users to cause a denial of service (crash) or possibly execute arbitrary code via the (1) display command argument to the ProcessCommandLine function in server/os/utils.c; (2) ResetHosts function in server/os/access.c; (3) open_unix_socket, (4) open_isc_local, (5) open_xsight_local, (6) open_att_local, or (7) open_att_svr4_local function in server/os/connection.c; the (8) AUDIOHOST environment variable to the CreateWellKnownSockets or (9) AmoebaTCPConnectorThread function in server/os/connection.c; or (10) unspecified vectors related to logging in the osLogMsg function in server/os/aulog.c.","Type":"Description","Title":null},{"CveYear":"2013","CveId":"4256","Ordinal":"2","NoteData":"2013-10-09","Type":"Other","Title":"Published"},{"CveYear":"2013","CveId":"4256","Ordinal":"3","NoteData":"2016-12-29","Type":"Other","Title":"Modified"}]}}}