GLSA-200502-29 : Cyrus IMAP Server: Multiple overflow vulnerabilities
High Nessus Plugin ID 17206
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-200502-29 (Cyrus IMAP Server: Multiple overflow vulnerabilities)
Possible single byte overflows have been found in the imapd annotate extension and mailbox handling code. Furthermore stack-based buffer overflows have been found in fetchnews, the backend and imapd.
An attacker, who could be an authenticated user or an admin of a peering news server, could exploit these vulnerabilities to execute arbitrary code with the rights of the user running the Cyrus IMAP Server.
There is no known workaround at this time.
SolutionAll Cyrus IMAP Server users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-mail/cyrus-imapd-2.2.12'