USN-3556-2: Dovecot vulnerabilities
1 February 2018
Several security issues were fixed in Dovecot.
Releases
Packages
- dovecot - IMAP and POP3 email server
Details
USN-3556-1 fixed vulnerabilities in Dovecot. This update
provides the corresponding update for Ubuntu 12.04 ESM.
It was discovered that Dovecot incorrectly handled certain authentications.
An attacker could possibly use this to bypass authentication and access
sensitive information. (CVE-2013-6171)
Original advisory details:
It was discovered that Dovecot incorrectly handled certain authentications.
An attacker could possibly use this to cause a denial of service. (CVE-2017-15132)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.