Vulnerability CVE-2017-15130
Published: 2018-03-02

Description:
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.

Type:

CWE-noinfo

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Dovecot -> Dovecot 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://seclists.org/oss-sec/2018/q1/205
https://bugzilla.redhat.com/show_bug.cgi?id=1532356
https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
https://usn.ubuntu.com/3587-1/
https://usn.ubuntu.com/3587-2/
https://www.debian.org/security/2018/dsa-4130
https://www.dovecot.org/list/dovecot-news/2018-February/000370.html
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