Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : dovecot vulnerabilities (USN-3587-1)
Medium Nessus Plugin ID 107147
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionIt 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).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected dovecot-core package.