{"id":"CVE-2013-4256","aliases":["DEBIAN-CVE-2013-4256","DSA-2771-1","EUVD-2013-4158","GHSA-whq2-g3c2-x5j3","MGASA-2013-0298"],"status":"published","title":"Multiple stack-based and heap-based buffer overflows in Network Audio System (NAS) 1.9.3 allow...","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.","severity":{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00702,"percentile":0.53517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2013-10-09T00:00:00Z","modified":"2026-09-01T20:03:17Z","fixes":[{"ecosystem":"Debian:12","package":"nas","fixed_in":["1.9.3-6"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"nas","fixed_in":["1.9.3-6"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"nas","fixed_in":["1.9.3-6"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"nas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-6"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"nas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-6"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"nas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-6"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"nas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-4squeeze1"}]}],"versions":["1.9.2-4"],"bundled":2},{"source":"osv","ecosystem":"Debian:7","package":"nas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-5wheezy1"}]}],"versions":["1.9.3-5"],"bundled":2},{"source":"osv","ecosystem":"Mageia:2","package":"nas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-6.1.mga2"}]}],"bundled":2},{"source":"osv","ecosystem":"Mageia:3","package":"nas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-2.1.mga3"}]}],"bundled":2}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"radscan","product":"network_audio_system"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2013/08/19/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://radscan.com/pipermail/nas/2013-August/001270.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","evidence"]},{"url":"http://www.openwall.com/lists/oss-security/2013/08/16/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://sourceforge.net/p/nas/code/288","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix"]},{"url":"http://www.debian.org/security/2013/dsa-2771","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/61848","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-1986-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4256"},{"url":"https://github.com/advisories/GHSA-whq2-g3c2-x5j3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-4256","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2013-0298.html","tags":["advisory"]},{"url":"http://sourceforge.net/p/nas/code/289/","tags":["web"]},{"url":"https://lists.fedoraproject.org/pipermail/package-announce/2013-September/117049.html","tags":["web"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=11305","tags":["report"]}],"sources":{"cve":[{"id":"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.","status":"published","published":"2013-10-09T14:44:00Z","modified":"2024-08-06T16:38:01.785Z","updated_at":"2026-11-02T14:34:57.869657Z"}],"euvd":[{"id":"EUVD-2013-4158","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.","status":"published","published":"2013-10-09T14:44:00Z","modified":"2024-08-06T16:38:01Z","updated_at":"2026-11-03T01:56:32.70868Z"}],"ghsa":[{"id":"GHSA-whq2-g3c2-x5j3","title":"Multiple stack-based and heap-based buffer overflows in Network Audio System (NAS) 1.9.3 allow...","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.","status":"published","published":"2022-05-17T03:13:09Z","modified":"2023-01-27T05:06:56Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:43:01.321842Z"}],"nvd":[{"id":"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.","status":"published","published":"2013-10-09T14:54:25.78Z","modified":"2026-06-16T23:56:54.34Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:38.715467Z"}],"osv":[{"id":"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.","status":"published","published":"2013-10-09T14:54:25Z","modified":"2026-04-16T06:24:41.0512166Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-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.","status":"published","published":"2013-10-09T14:54:25.78Z","modified":"2026-09-01T20:03:17.687196169Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"DSA-2771-1","title":"nas - several","status":"published","published":"2013-10-09T00:00:00Z","modified":"2026-03-09T01:21:25.499039Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"MGASA-2013-0298","title":"Updated nas packages fix security vulnerabilities","description":"Updated nas packages fix security vulnerabilities:\n\nBuffer overflow when parsing display number and various other buffer overflows\n(CVE-2013-4256).\n\nHeap overflow when using AUDIOHOST environment variable (CVE-2013-4257).\n\nRace when opening a TCP device (nas#289).\n","status":"published","published":"2013-10-09T22:32:38Z","modified":"2026-04-16T06:25:21.736730743Z","updated_at":"2026-11-02T15:49:39.121227Z"}]}}