{"schema_version":"1.7.3","id":"GHSA-968f-66r5-5v74","published":"2020-01-06T18:44:21Z","modified":"2024-11-19T14:00:55.884655Z","aliases":["CVE-2019-16789","PYSEC-2019-138"],"summary":"HTTP Request Smuggling in Waitress: Invalid whitespace characters in headers (Follow-up)","details":"### Impact\n\nThe patches introduced to fix https://github.com/Pylons/waitress/security/advisories/GHSA-m5ff-3wj3-8ph4 were not complete and still would allow an attacker to smuggle requests/split a HTTP request with invalid data.\n\nThis updates the existing CVE with ID: CVE-2019-16789\n\n### Patches\n\nWaitress version 1.4.2 has been updated to now validate HTTP headers better to avoid the issue, completely fixing all known issues with whitespace.\n\n### Workarounds\n\nThere are no work-arounds, upgrading to Waitress 1.4.2 is highly recommended.\n\n### References\n\nSee https://github.com/Pylons/waitress/security/advisories/GHSA-m5ff-3wj3-8ph4 for more information on the security issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* open an issue at https://github.com/Pylons/waitress/issues (if not sensitive or security related)\n* email the Pylons Security mailing list: pylons-project-security@googlegroups.com (if security related)","affected":[{"package":{"name":"waitress","ecosystem":"PyPI","purl":"pkg:pypi/waitress"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2"}]}],"versions":["0.1","0.2","0.3","0.4","0.5","0.6","0.6.1","0.7","0.8","0.8.1","0.8.10","0.8.11b0","0.8.2","0.8.3","0.8.4","0.8.5","0.8.6","0.8.7","0.8.8","0.8.9","0.9.0","0.9.0b0","0.9.0b1","1.0.0","1.0.1","1.0.2","1.0a1","1.0a2","1.1.0","1.2.0","1.2.0b1","1.2.0b2","1.2.0b3","1.2.1","1.3.0","1.3.0b0","1.3.1","1.4.0","1.4.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/01/GHSA-968f-66r5-5v74/GHSA-968f-66r5-5v74.json"}}],"references":[{"type":"WEB","url":"https://github.com/Pylons/waitress/security/advisories/GHSA-968f-66r5-5v74"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16789"},{"type":"WEB","url":"https://github.com/github/advisory-review/pull/14604"},{"type":"WEB","url":"https://github.com/Pylons/waitress/commit/11d9e138125ad46e951027184b13242a3c1de017"},{"type":"WEB","url":"https://github.com/Pylons/waitress/commit/ddb65b489d01d696afa1695b75fdd5df3e4ffdf8"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2020:0720"},{"type":"WEB","url":"https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes"},{"type":"PACKAGE","url":"https://github.com/Pylons/waitress"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-968f-66r5-5v74"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/waitress/PYSEC-2019-138.yaml"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"}],"database_specific":{"cwe_ids":["CWE-444"],"github_reviewed":true,"github_reviewed_at":"2020-01-06T18:43:11Z","nvd_published_at":"2019-12-26T17:15:00Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:H/SA:N"}]}