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

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CVE-2010-0744

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
20/04/2010
Last modified:
11/04/2025

Description

aMSN (aka Alvaro's Messenger) 0.98.3 and earlier, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof an MSN server via an arbitrary certificate.

Impact

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

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:alvaro:alvaros_messenger:*:*:*:*:*:*:*:* 0.98.3 (including)
cpe:2.3:a:alvaro:alvaros_messenger:0.83:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.90:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.91:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.92:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.93:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.94:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.95:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.96:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.97:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools