{"id":"USN-5121-2","summary":"mailman vulnerabilities","details":"USN-5009-1 fixed vulnerabilities in Mailman. This update provides the\ncorresponding updates for Ubuntu 20.04 LTS. In addition, the following CVEs\nwere fixed:\n\nIt was discovered that Mailman allows arbitrary content injection. An attacker\ncould use this to inject malicious content. (CVE-2020-12108, CVE-2020-15011)\n\nIt was discovered that Mailman improperly sanitize the MIME content. An\nattacker could obtain sensitive information by sending a special type of\nattachment. (CVE-2020-12137)\n\nOriginal advisory details:\n\nAndre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman\ndid not properly associate cross-site request forgery (CSRF) tokens\nto specific accounts. A remote attacker could use this to perform a\nCSRF attack to gain access to another account. (CVE-2021-42097)\n\nAndre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman’s\ncross-site request forgery (CSRF) tokens for the options page are\nderived from the admin password. A remote attacker could possibly use\nthis to assist in performing a brute force attack against the admin\npassword. (CVE-2021-42096)\n","modified":"2026-02-10T04:42:21Z","published":"2021-11-01T11:49:48Z","related":["UBUNTU-CVE-2020-12108","UBUNTU-CVE-2020-12137","UBUNTU-CVE-2020-15011","UBUNTU-CVE-2021-42096","UBUNTU-CVE-2021-42097"],"upstream":["CVE-2020-12108","CVE-2020-12137","CVE-2020-15011","CVE-2021-42096","CVE-2021-42097","UBUNTU-CVE-2020-12108","UBUNTU-CVE-2020-12137","UBUNTU-CVE-2020-15011","UBUNTU-CVE-2021-42096","UBUNTU-CVE-2021-42097"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5121-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12108"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12137"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15011"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-42096"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-42097"}],"affected":[{"package":{"name":"mailman","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mailman@1:2.1.29-1ubuntu3.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.1.29-1ubuntu3.1"}]}],"versions":["1:2.1.29-1","1:2.1.29-1build1","1:2.1.29-1ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:2.1.29-1ubuntu3.1","binary_name":"mailman"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2020-12108","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-12137","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-15011","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-42096","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2021-42097","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5121-2.json"}}],"schema_version":"1.7.3"}