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CVE-2020-12137

CVE-2020-12137

EPSS 2.3%
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.
Productos afectados
n/a · n/a

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Referencias
http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWShttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.htmlhttps://lists.debian.org/debian-lts-announce/2020/05/msg00002.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/https://usn.ubuntu.com/4348-1/https://www.debian.org/security/2020/dsa-4664https://www.openwall.com/lists/oss-security/2020/02/24/2https://www.openwall.com/lists/oss-security/2020/02/24/3http://www.openwall.com/lists/oss-security/2020/04/24/3