Dovecot contains a flaw that may allow a remote denial of service. The issue is triggered when a remote authenticated attacker disconnects a large amount of IMAP or POP3 sessions simultaneously, and will result in loss of availability for the master process.
Classification
Location:
Remote / Network Access
Attack Type:
Denial of Service
Impact:
Loss of Availability
Solution:
Upgrade
Exploit:
Exploit Unknown
Disclosure:
Vendor Verified
OSVDB:
Authentication Required
Solution
Upgrade to version 1.2.15 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.