USN-1143-1: Dovecot vulnerability
2 June 2011
An attacker could send a crafted email message that could disrupt email service.
Releases
Packages
- dovecot - IMAP and POP3 email server
Details
It was discovered that the message header parser in Dovecot did not
properly handle '\0' characters in header names. This could allow a
remote attacker to cause a denial of service through a crafted email
message by crashing the Dovecot daemon or corrupting mailboxes.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.04
Ubuntu 10.10
Ubuntu 10.04
In general, a standard system update will make all the necessary changes.