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CVE-2016-8652

Good to know:

Date: February 16, 2017

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.

Language: C

Severity Score

5.9

Related Resources (7)

Url: http://www.openwall.com/lists/oss-security/2016/12/05/12

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-8652

Url: https://security-tracker.debian.org/tracker/CVE-2016-8652

Url: http://www.securityfocus.com/bid/94639

Url: http://www.openwall.com/lists/oss-security/2016/12/02/4

Url: http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-8652

Severity Score

5.9

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:	5.9
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
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