CVE-2015-3420

MEDIUM

Dovecot < 2.2.17 - Denial of Service via SSL Handshake Failure

Title source: llm

Description

The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures.

References (9)

Core 9

Core References

Vendor Advisory mailing-list x_refsource_mlist

https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html

Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html

Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html

Issue Tracking, Third Party Advisory x_refsource_confirm

https://bugzilla.redhat.com/show_bug.cgi?id=1216057

Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2015/04/27/1

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/74335

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2015/04/28/4

Vendor Advisory mailing-list x_refsource_mlist

https://dovecot.org/pipermail/dovecot/2015-April/100618.html

Scores

CVSS v3 5.9

EPSS 0.0284

EPSS Percentile 84.8%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-295

Status published

Products (4)

dovecot/dovecot < 2.2.16

fedoraproject/fedora 20

fedoraproject/fedora 21

fedoraproject/fedora 22

Published Sep 19, 2017

Tracked Since Feb 18, 2026