{"id":"CVE-2020-12137","state":"PUBLISHED","title":"GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, b","description":"GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code.","publishedAt":"2020-04-24T12:37:58.000Z","updatedAt":"2024-08-04T11:48:58.357Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.openwall.com/lists/oss-security/2020/02/24/2","https://www.openwall.com/lists/oss-security/2020/02/24/3","http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS","http://www.openwall.com/lists/oss-security/2020/04/24/3","https://www.debian.org/security/2020/dsa-4664","https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html","https://usn.ubuntu.com/4348-1/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/","http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html","http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:27.697Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/12xxx/CVE-2020-12137.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-12137","state":"PUBLISHED","datePublished":"2020-04-24T12:37:58.000Z","dateUpdated":"2024-08-04T11:48:58.357Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2020-04-24T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2020/02/24/2","tags":["x_refsource_MISC"]},{"url":"https://www.openwall.com/lists/oss-security/2020/02/24/3","tags":["x_refsource_MISC"]},{"url":"http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS","tags":["x_refsource_MISC"]},{"url":"http://www.openwall.com/lists/oss-security/2020/04/24/3","name":"[oss-security] 20200424 Re: mailman 2.x: XSS via file attachments in list archives","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://www.debian.org/security/2020/dsa-4664","name":"DSA-4664","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html","name":"[debian-lts-announce] 20200503 [SECURITY] [DLA 2200-1] mailman security update","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://usn.ubuntu.com/4348-1/","name":"USN-4348-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/","name":"FEDORA-2020-69f2f1d987","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/","name":"FEDORA-2020-20b748e81e","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html","name":"openSUSE-SU-2020:1707","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html","name":"openSUSE-SU-2020:1752","tags":["vendor-advisory","x_refsource_SUSE"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2020-10-27T15:06:31.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-12137","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.openwall.com/lists/oss-security/2020/02/24/2","refsource":"MISC","url":"https://www.openwall.com/lists/oss-security/2020/02/24/2"},{"name":"https://www.openwall.com/lists/oss-security/2020/02/24/3","refsource":"MISC","url":"https://www.openwall.com/lists/oss-security/2020/02/24/3"},{"name":"http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS","refsource":"MISC","url":"http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS"},{"name":"[oss-security] 20200424 Re: mailman 2.x: XSS via file attachments in list archives","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2020/04/24/3"},{"name":"DSA-4664","refsource":"DEBIAN","url":"https://www.debian.org/security/2020/dsa-4664"},{"name":"[debian-lts-announce] 20200503 [SECURITY] [DLA 2200-1] mailman security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html"},{"name":"USN-4348-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/4348-1/"},{"name":"FEDORA-2020-69f2f1d987","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/"},{"name":"FEDORA-2020-20b748e81e","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/"},{"name":"openSUSE-SU-2020:1707","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html"},{"name":"openSUSE-SU-2020:1752","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.openwall.com/lists/oss-security/2020/02/24/2","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.openwall.com/lists/oss-security/2020/02/24/3","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2020/04/24/3","name":"[oss-security] 20200424 Re: mailman 2.x: XSS via file attachments in list archives","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://www.debian.org/security/2020/dsa-4664","name":"DSA-4664","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html","name":"[debian-lts-announce] 20200503 [SECURITY] [DLA 2200-1] mailman security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://usn.ubuntu.com/4348-1/","name":"USN-4348-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/","name":"FEDORA-2020-69f2f1d987","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/","name":"FEDORA-2020-20b748e81e","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html","name":"openSUSE-SU-2020:1707","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html","name":"openSUSE-SU-2020:1752","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T11:48:58.357Z"}}]}}}