CVE-2015-3420
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.6 Medium
AI Score
Confidence
High
0.021 Low
EPSS
Percentile
89.3%
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 configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| dovecot:dovecot | dovecot | le | 2.2.16 |
References
lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html
lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html
lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html
www.openwall.com/lists/oss-security/2015/04/27/1
www.openwall.com/lists/oss-security/2015/04/28/4
www.securityfocus.com/bid/74335
bugzilla.redhat.com/show_bug.cgi?id=1216057
dovecot.org/pipermail/dovecot-news/2015-May/000292.html
dovecot.org/pipermail/dovecot/2015-April/100618.html
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.6 Medium
AI Score
Confidence
High
0.021 Low
EPSS
Percentile
89.3%