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

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CVE-2014-6603

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
07/10/2014
Last modified:
12/04/2025

Description

The SSHParseBanner function in SSH parser (app-layer-ssh.c) in Suricata before 2.0.4 allows remote attackers to bypass SSH rules, cause a denial of service (crash), or possibly have unspecified other impact via a crafted banner, which triggers a large memory allocation or an out-of-bounds write.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:openinfosecfoundation:suricata:*:*:*:*:*:*:*:* 2.0.3-2 (including)
cpe:2.3:a:openinfosecfoundation:suricata:2.0.1-1:*:*:*:*:*:*:*
cpe:2.3:a:openinfosecfoundation:suricata:2.0.1-2:*:*:*:*:*:*:*
cpe:2.3:a:openinfosecfoundation:suricata:2.0.2-1:*:*:*:*:*:*:*
cpe:2.3:a:openinfosecfoundation:suricata:2.0.2-2:*:*:*:*:*:*:*
cpe:2.3:a:openinfosecfoundation:suricata:2.0.3-1:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools