CVE-2009-0050

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

07/01/2009

Last modified:

09/04/2025

Description

Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.

Impact

Vector 2.0

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

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

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
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:entrouvert:lasso::::::::		2.2.1-0 (including)
cpe:2.3:a:entrouvert:lasso:1.9.9.0:::::::*
cpe:2.3:a:entrouvert:lasso:2.0.0-1:::::::*

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

CVE-2009-0050

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools