CVE-2010-0744

aMSN: Improper SSL certificate validation (MITM) when connecting to the MSN server

Published Apr 20, 2010 CVSS 2.0 · 5.8 Medium EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2010-0770 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.
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 12:59 AM
Reserved
Feb 26, 2010, 12:00 AM
Status
Modified
Published
Apr 20, 2010, 3:30 PM
Modified
Jun 16, 2026, 11:16 PM
Severity
Moderate
Public date
Jun 26, 2009, 12:00 AM