Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-5619

Severity CVSS v4.0:
Pending analysis
Type:
CWE-295 Improper Certificate Validation
Publication date:
09/08/2017
Last modified:
20/04/2025

Description

Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:elastic:logstash:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:elastic:logstash:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:elastic:logstash:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:elasticsearch:logstash:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:elasticsearch:logstash:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:elasticsearch:logstash:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:elasticsearch:logstash:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:elasticsearch:logstash:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:elasticsearch:logstash:1.5.3:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools