{"id":"GHSA-7gfg-6934-mqq2","summary":"Improper Authenication in Pion DTLS","details":"handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.","aliases":["CVE-2019-20786","GO-2020-0038"],"modified":"2023-11-08T04:01:31.054282Z","published":"2021-06-29T21:34:57Z","database_specific":{"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2021-05-25T19:54:18Z","nvd_published_at":null,"cwe_ids":["CWE-287"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20786"},{"type":"WEB","url":"https://github.com/pion/dtls/pull/128"},{"type":"WEB","url":"https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0"},{"type":"PACKAGE","url":"https://github.com/pion/dtls"},{"type":"WEB","url":"https://github.com/pion/dtls/compare/v1.5.1...v1.5.2"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2020-0038"},{"type":"WEB","url":"https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean"},{"type":"WEB","url":"https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf"}],"affected":[{"package":{"name":"github.com/pion/dtls","ecosystem":"Go","purl":"pkg:golang/github.com/pion/dtls"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.5.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/06/GHSA-7gfg-6934-mqq2/GHSA-7gfg-6934-mqq2.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}