{"id":"CVE-2018-17974","details":"An issue was discovered in Tcpreplay 4.3.0 beta1. A heap-based buffer over-read was triggered in the function dlt_en10mb_encode() of the file plugins/dlt_en10mb/en10mb.c, due to inappropriate values in the function memmove(). The length (pktlen + ctx -\u003e l2len) can be larger than source value (packet + ctx-\u003el2len) because the function fails to ensure the length of a packet is valid. This leads to Denial of Service.","modified":"2026-04-16T00:04:46.888108660Z","published":"2018-10-03T22:29:00.907Z","related":["openSUSE-SU-2024:11426-1"],"references":[{"type":"EVIDENCE","url":"https://github.com/SegfaultMasters/covering360/tree/master/tcpreplay"},{"type":"EVIDENCE","url":"https://github.com/appneta/tcpreplay/issues/486"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/appneta/tcpreplay","events":[{"introduced":"0"},{"last_affected":"b663095bd87b60822d4b8688a48040c8f88fd045"}],"database_specific":{"cpe":"cpe:2.3:a:broadcom:tcpreplay:4.3.0:beta1:*:*:*:*:*:*","source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"4.3.0-beta1"}]}}],"versions":["v3.4.2","v3.4.3","v3.4.4","v4.0.0","v4.0.0beta1","v4.0.0beta2","v4.0.1","v4.0.2","v4.0.3","v4.0.4","v4.0.5","v4.0.5beta1","v4.0.5beta2","v4.0.5beta3","v4.1.0","v4.1.0beta1","v4.1.0beta2","v4.1.1","v4.1.1-beta2","v4.1.1-beta3","v4.1.2","v4.2.6","v4.3.0-beta1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-17974.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}