Several protocol parsers in tcpdump before 4.9.2 could cause a buffer over-read in util-print.c:tok2strbuf().
{ "vanir_signatures": [ { "target": { "file": "print-lldp.c" }, "digest": { "line_hashes": [ "249792396176372392899668153153011385128", "203561160431601188015626403175706537592", "147836605465189813655155649870614887423", "73117280770744554929234499326241577374" ], "threshold": 0.9 }, "signature_version": "v1", "id": "CVE-2017-12900-13ba2548", "source": "https://github.com/the-tcpdump-group/tcpdump/commit/0318fa8b61bd6c837641129d585f1a73c652b1e0", "signature_type": "Line", "deprecated": false }, { "target": { "file": "print-zephyr.c" }, "digest": { "line_hashes": [ "187866627452079226450449730478816644335", "96089795993813924729169146911821348228", "44510747311602326313973868301826425550", "180728348787287198707532452509364407212" ], "threshold": 0.9 }, "signature_version": "v1", "id": "CVE-2017-12900-794d90fa", "source": "https://github.com/the-tcpdump-group/tcpdump/commit/0318fa8b61bd6c837641129d585f1a73c652b1e0", "signature_type": "Line", "deprecated": false }, { "target": { "file": "print-lspping.c" }, "digest": { "line_hashes": [ "169577120722358044768187932787943922402", "212303081025250594234528128259298295498", "66853058011606276969496307019452103484", "278148100220678628931403813243130346977" ], "threshold": 0.9 }, "signature_version": "v1", "id": "CVE-2017-12900-cd7332e3", "source": "https://github.com/the-tcpdump-group/tcpdump/commit/0318fa8b61bd6c837641129d585f1a73c652b1e0", "signature_type": "Line", "deprecated": false }, { "target": { "file": "print-bgp.c" }, "digest": { "line_hashes": [ "219042723296988811246376927418514898062", "88209263465382211686591578184849709099", "202916208505590268428786864682072942787", "225295460996470136666675446229536616432" ], "threshold": 0.9 }, "signature_version": "v1", "id": "CVE-2017-12900-cd9b4fdb", "source": "https://github.com/the-tcpdump-group/tcpdump/commit/0318fa8b61bd6c837641129d585f1a73c652b1e0", "signature_type": "Line", "deprecated": false } ] }