USN-3587-2: Dovecot vulnerabilities
dovecot vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary
Several security issues were fixed in Dovecot.
Software Description
- dovecot – IMAP and POP3 email server
Details
USN-3587-1 fixed a vulnerability in Dovecot. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that Dovecot incorrectly handled parsing certain email
addresses. A remote attacker could use this issue to cause Dovecot to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2017-14461)
It was discovered that Dovecot incorrectly handled TLS SNI config lookups.
A remote attacker could possibly use this issue to cause Dovecot to crash,
resulting in a denial of service. (CVE-2017-15130)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 12.04 ESM
- dovecot-core – 1:2.0.19-0ubuntu2.5
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.
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