CVE-2015-3420

Published: Sep 19, 2017Modified: May 13, 2026

5.9

Vector

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

Exploitability: 2.2 / Impact: 3.6

Source: NVD

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.

Affected (4)

Products: Dovecot: Dovecot · Fedoraproject: Fedora

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Dovecot Dovecot	Up to 2.2.16

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 20
Fedoraproject Fedora	Version 21
Fedoraproject Fedora	Version 22

Related CWEs

CWE-295

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

References (18)

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

Mailing ListThird Party Advisory

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

Source: cve@mitre.org

Mailing ListThird Party Advisory

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

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

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

Source: cve@mitre.org

Issue TrackingThird Party Advisory

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

Source: cve@mitre.org

Vendor Advisory

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

Source: cve@mitre.org

Vendor Advisory

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