{"schema_version":"1.7.5","id":"CVE-2018-1000654","published":"2018-08-20T19:31:44.870Z","modified":"2026-07-08T14:58:45.390268Z","related":["SUSE-SU-2019:1372-1","SUSE-SU-2019:1372-2","SUSE-SU-2019:1379-1","SUSE-SU-2022:3797-1","openSUSE-SU-2019:1498-1","openSUSE-SU-2024:11001-1"],"details":"GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.","affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gnutls/libtasn1","events":[{"introduced":"4bc67882e72929732b1d9cccc73e606f3a44f542"},{"last_affected":"946565d8eb05fbf7970ea366e817581bb5a90910"}],"database_specific":{"cpe":["cpe:2.3:a:gnu:libtasn1:4.12:*:*:*:*:*:*:*","cpe:2.3:a:gnu:libtasn1:4.13:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"4.12"},{"last_affected":"4.12"},{"introduced":"4.13"},{"last_affected":"4.13"}],"source":"CPE_STRING"}}],"versions":["4.12","4.13","libtasn1_4_13","libtasn1_4_12"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000654.json"}}],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00009.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105151"},{"type":"EVIDENCE","url":"https://gitlab.com/gnutls/libtasn1/issues/4"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}