CVE-2015-3420 Information

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.

CVSS Vector

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

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html http://www.openwall.com/lists/oss-security/2015/04/27/1 http://www.openwall.com/lists/oss-security/2015/04/28/4 http://www.securityfocus.com/bid/74335 https://bugzilla.redhat.com/show_bug.cgi?id=1216057 https://dovecot.org/pipermail/dovecot/2015-April/100618.html https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9