{"id":"CVE-2003-1029","aliases":["DEBIAN-CVE-2003-1029","DSA-425","EUVD-2003-1019","GHSA-3h9x-q7vx-j2wh"],"status":"published","title":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial...","description":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0992,"percentile":0.95618,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"published":"2004-01-15T05:00:00Z","modified":"2026-10-22T23:47:34Z","exploits":[{"source":"exploitdb","id":"EDB-23452","title":"Tcpdump 3.x - L2TP Parser Remote Denial of Service","type":"dos","platform":"linux","date":"2003-12-20","verified":true,"url":"https://www.exploit-db.com/exploits/23452"}],"fixes":[{"ecosystem":"Debian:12","package":"tcpdump","fixed_in":["3.8.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tcpdump","fixed_in":["3.8.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tcpdump","fixed_in":["3.8.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tcpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tcpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tcpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.3-1"}]}]},{"source":"osv","ecosystem":"Debian:3.0","package":"tcpdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.2-2.7"}]}],"bundled":4}],"products":[{"vendor":"lbl","product":"tcpdump"}],"references":[{"url":"http://secunia.com/advisories/10718","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/10668","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://marc.info/?l=tcpdump-workers\u0026m=107228187124962\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://secunia.com/advisories/10636","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.securitytracker.com/id?1008748","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://lwn.net/Alerts/66805/","tags":["vendor-advisory","x_refsource_ENGARDE","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2004:008","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/archive/1/350238/30/21640/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://www.debian.org/security/2004/dsa-425","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://secunia.com/advisories/10652","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://marc.info/?l=bugtraq\u0026m=107213553214985\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://marc.info/?l=bugtraq\u0026m=107193841728533\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-1029"},{"url":"http://lwn.net/Alerts/66805"},{"url":"https://github.com/advisories/GHSA-3h9x-q7vx-j2wh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2003-1029","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2003-1029","description":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.","status":"published","published":"2004-01-15T05:00:00Z","modified":"2024-08-08T02:12:35.783Z","updated_at":"2026-11-02T14:20:16.411288Z"}],"euvd":[{"id":"EUVD-2003-1019","description":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.","status":"published","published":"2004-01-15T05:00:00Z","modified":"2024-08-08T02:12:35Z","updated_at":"2026-11-03T01:15:04.946725Z"}],"ghsa":[{"id":"GHSA-3h9x-q7vx-j2wh","title":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial...","description":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.","status":"published","published":"2022-04-29T01:27:23Z","modified":"2025-04-03T03:58:11Z","updated_at":"2026-11-02T15:00:38.47838Z"}],"nvd":[{"id":"CVE-2003-1029","description":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.","status":"published","published":"2004-02-17T05:00:00Z","modified":"2026-06-16T22:03:23.47Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:48.212104Z"}],"osv":[{"id":"CVE-2003-1029","description":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.","status":"published","published":"2004-02-17T05:00:00Z","modified":"2026-04-10T03:36:18.594165Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"DEBIAN-CVE-2003-1029","description":"The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.","status":"published","published":"2004-02-17T05:00:00Z","modified":"2026-10-22T23:47:34.334342721Z","updated_at":"2026-11-02T15:45:22.55978Z"},{"id":"DSA-425","title":"tcpdump - multiple vulnerabilities","status":"published","published":"2004-01-16T00:00:00Z","modified":"2026-03-09T02:08:39.031166Z","updated_at":"2026-11-02T15:46:16.862196Z"}]}}