Description
A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the server.
References (7)
Core 7
Core References
Patch, Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3587-1/
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4130
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3587-2/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/103201
Issue Tracking, Vendor Advisory mailing-list
x_refsource_mlist
https://www.dovecot.org/list/dovecot-news/2018-February/000370.html
Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2017-0510
Scores
CVSS v3
5.9
EPSS
0.0166
EPSS Percentile
82.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
Details
CWE
CWE-125
CWE-200
Status
published
Products (6)
debian/debian_linux
8.0
debian/debian_linux
9.0
dovecot/dovecot
2.2.33.2
ubuntu/ubuntu
14.04
ubuntu/ubuntu
16.04
ubuntu/ubuntu
17.10
Published
Mar 02, 2018
Tracked Since
Feb 18, 2026