Ubuntu Security Notice USN-3556-1
1st February, 2018
dovecot vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
Dovecot could be made to crash if it received specially crafted input.
Software description
It was discovered that Dovecot incorrectly handled certain authentications.
An attacker could possibly use this to cause a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
Ubuntu 17.10:
dovecot-core 1:2.2.27-3ubuntu1.2
Ubuntu 16.04 LTS:
dovecot-core 1:2.2.22-1ubuntu2.6
Ubuntu 14.04 LTS:
dovecot-core 1:2.2.9-1ubuntu2.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
CVE-2017-15132
Continue reading...
1st February, 2018
dovecot vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Dovecot could be made to crash if it received specially crafted input.
Software description
- dovecot - IMAP and POP3 email server
It was discovered that Dovecot incorrectly handled certain authentications.
An attacker could possibly use this to cause a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
Ubuntu 17.10:
dovecot-core 1:2.2.27-3ubuntu1.2
Ubuntu 16.04 LTS:
dovecot-core 1:2.2.22-1ubuntu2.6
Ubuntu 14.04 LTS:
dovecot-core 1:2.2.9-1ubuntu2.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
CVE-2017-15132
Continue reading...
