CVE-2015-3420

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 v3.0 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html	Vendor Advisory
https://dovecot.org/pipermail/dovecot/2015-April/100618.html	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1216057	Issue Tracking Third Party Advisory
http://www.securityfocus.com/bid/74335	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2015/04/28/4	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/27/1	Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html	Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html	Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:21:::::::*
	cpe:2.3:o:fedoraproject:fedora:20:::::::*
	cpe:2.3:o:fedoraproject:fedora:22:::::::*

Information

Published : 2017-09-19 08:29

Updated : 2017-10-05 08:17

NVD link : CVE-2015-3420

Mitre link : CVE-2015-3420

JSON object : View

CWE

CWE-295

Improper Certificate Validation

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Products Affected

dovecot

dovecot

fedoraproject

fedora

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