Red Hat Security Advisory 2020-4655-01 - The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and SIEVE support. Issues addressed include bypass and privilege escalation vulnerabilities.
351b1e471e4038244a22555e9ae5e3516d9d76c701f6e5c112212a28d3c5a7d5Ubuntu Security Notice 4566-1 - It was discovered that Cyrus IMAP Server could execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code. It was discovered that the Cyrus IMAP Server allow users to create any mailbox with administrative privileges. A local attacker could use this to obtain sensitive information. Various other issues were also addressed.
b29e714d866e6ec6075866950847cbd51cb8d46269dd8a4d6182d91d2d346043Gentoo Linux Security Advisory 202006-23 - An error in Cyrus IMAP Server allows mailboxes to be created with administrative privileges. Versions less than 3.0.13 are affected.
1e7bbbfed2c2de886311d93aac435e0c81676a96a5713624632764df5154c6ffDebian Linux Security Advisory 4590-1 - It was discovered that the lmtpd component of the Cyrus IMAP server created mailboxes with administrator privileges if the "fileinto" was used, bypassing ACL checks.
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