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CVE-2017-15130

Published: 28 February 2018

A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.

Notes

AuthorNote
mdeslaur
affects 2.2.0 - 2.2.33, 2.3.0

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
dovecot
Launchpad, Ubuntu, Debian
artful
Released (1:2.2.27-3ubuntu1.3)
trusty
Released (1:2.2.9-1ubuntu2.4)
upstream
Released (2.2.34,2.3.0.1)
xenial
Released (1:2.2.22-1ubuntu2.7)

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H