CVE-2016-8652 Detail
Current 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.
Source:
MITRE
View Analysis Description
Analysis 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.
Source:
MITRE
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
5.9 MEDIUM
Vector:
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
2.2
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 v2.0 Severity and Metrics:
Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
1 change record found
- show changes
Initial Analysis -
2/22/2017 2:11:53 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:dovecot:dovecot:2.2.27:*:*:*:*:*:*:* (and previous) |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-20 |
| Changed |
Reference Type |
http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html No Types Assigned |
http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html Release Notes, Vendor Advisory |
| Changed |
Reference Type |
http://www.openwall.com/lists/oss-security/2016/12/02/4 No Types Assigned |
http://www.openwall.com/lists/oss-security/2016/12/02/4 Third Party Advisory, Mailing List |
| Changed |
Reference Type |
http://www.openwall.com/lists/oss-security/2016/12/05/12 No Types Assigned |
http://www.openwall.com/lists/oss-security/2016/12/05/12 Third Party Advisory, Mailing List |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/94639 No Types Assigned |
http://www.securityfocus.com/bid/94639 Third Party Advisory, VDB Entry |
Quick Info
CVE Dictionary Entry:
CVE-2016-8652
NVD Published Date:
02/16/2017
NVD Last Modified:
02/22/2017
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