{"id":"MGASA-2021-0464","summary":"Updated fail2ban packages fix security vulnerability","details":"fail2ban is a daemon to ban hosts that cause multiple authentication errors.\nIn versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through\n0.11.2, there is a vulnerability that leads to possible remote code\nexecution in the mailing action mail-whois. Command `mail` from mailutils\npackage used in mail actions like `mail-whois` can execute command if\nunescaped sequences (`\\n~`) are available in \"foreign\" input (for\ninstance in whois output). To exploit the vulnerability, an attacker would\nneed to insert malicious characters into the response sent by the whois\nserver, either via a MITM attack or by taking over a whois server.\n(CVE-2021-32749)\n","modified":"2026-04-16T04:42:41.579951244Z","published":"2021-10-06T19:41:56Z","upstream":["CVE-2021-32749"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2021-0464.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=29469"},{"type":"WEB","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RYBYCPVAMLJBPZO42ZMSVOQTCNN3YNQS/"},{"type":"REPORT","url":"https://bugzilla.suse.com/show_bug.cgi?id=1188610"},{"type":"ADVISORY","url":"https://github.com/fail2ban/fail2ban/security/advisories/GHSA-m985-3f3v-cwmm"}],"affected":[{"package":{"name":"fail2ban","ecosystem":"Mageia:8","purl":"pkg:rpm/mageia/fail2ban?arch=source&distro=mageia-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.2-1.1.mga8"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2021-0464.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}