Vulnerability CVE-2016-8652
Published: 2017-02-16   Modified: 2017-02-17

Description:
The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Dovecot -> Dovecot 

 References:
http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html
http://www.openwall.com/lists/oss-security/2016/12/02/4
http://www.openwall.com/lists/oss-security/2016/12/05/12
http://www.securityfocus.com/bid/94639
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