National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-15130 Detail

Current Description

A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.

Source:  MITRE
Description Last Modified:  03/02/2018
View Analysis Description

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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Hyperlink Resource
http://seclists.org/oss-sec/2018/q1/205 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1532356 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
https://usn.ubuntu.com/3587-1/ Third Party Advisory
https://usn.ubuntu.com/3587-2/
https://www.debian.org/security/2018/dsa-4130 Third Party Advisory
https://www.dovecot.org/list/dovecot-news/2018-February/000370.html Release Notes Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-15130
NVD Published Date:
03/02/2018
NVD Last Modified:
04/03/2018